Search Results: "grammar checker"

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02:46 Popular
Introduction to Grammar | Grammar | Khan Academy

966 views / 0 likes - added 6 years ago

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa
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Introduction to verbs | The parts of speech | Grammar | Khan Academy

614 views / 0 likes - added 6 years ago

Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

1,149 views / 0 likes - added 6 years ago

We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
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The irregular verb gets taken for a ride | Grammar | Khan Academy

588 views / 0 likes - added 6 years ago

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,031 views / 0 likes - added 6 years ago

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
02:01 Popular
The present tense | The parts of speech | Grammar | Khan Academy

806 views / 0 likes - added 6 years ago

How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse
02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy

960 views / 0 likes - added 6 years ago

When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca
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Perfect Aspect | The parts of speech | Grammar | Khan Academy

685 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
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Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

536 views / 0 likes - added 6 years ago

We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa
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Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

565 views / 0 likes - added 6 years ago

Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad
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Who versus whom | The parts of speech | Grammar | Khan Academy

592 views / 0 likes - added 6 years ago

When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

1,187 views / 0 likes - added 6 years ago

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,074 views / 0 likes - added 6 years ago

Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q
02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy

522 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
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Simple Aspect | The parts of speech | Grammar | Khan Academy

604 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy

1,086 views / 0 likes - added 6 years ago

We use reflexive pronouns (like "herself" and "ourselves") when the subject and the object of a sentence are the same thing. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/gra
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy

1,129 views / 0 likes - added 6 years ago

We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/
04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

867 views / 0 likes - added 6 years ago

There's this idea in grammar called grammatical person that helps describe who's being talked about in a sentence. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/parts
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Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

569 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy

1,468 views / 0 likes - added 6 years ago

There's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful. Practice this you
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Personal pronouns | The parts of speech | Grammar | Khan Academy

649 views / 0 likes - added 6 years ago

Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
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DNA Spell Checker (2015 Nobel Prize In Chemistry) - Periodic Table Of Videos

589 views / 0 likes - added 8 years ago

The 2015 Nobel Prize in Chemistry is awarded "for mechanistic studies of DNA repair". The recipients are Paul L. Modrich, Tomas Lindahl and Aziz Sancar. Discussed by Professor Sir Martyn Poliakoff. More chemistry Nobel Prize videos: http://bit.ly/periodic
03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy

1,635 views / 0 likes - added 6 years ago

In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs
02:00 Popular
The past tense | The parts of speech | Grammar | Khan Academy

926 views / 0 likes - added 6 years ago

When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,132 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy

890 views / 0 likes - added 6 years ago

Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

568 views / 1 likes - added 6 years ago

These are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently. Practice this yourself on Khan Ac
05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy

869 views / 0 likes - added 6 years ago

The difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

992 views / 0 likes - added 6 years ago

Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
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Appositives | Punctuation | Grammar | Khan Academy

629 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy

806 views / 0 likes - added 6 years ago

An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy

965 views / 0 likes - added 6 years ago

Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne
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Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,010 views / 0 likes - added 6 years ago

Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
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Subject and object pronouns | The parts of speech | Grammar | Khan Academy

530 views / 0 likes - added 6 years ago

Before we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy

908 views / 1 likes - added 6 years ago

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,164 views / 1 likes - added 6 years ago

“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
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Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy

632 views / 0 likes - added 6 years ago

You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural. Practice this yourself on Khan Aca
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Possessive pronouns | The parts of speech | Grammar | Khan Academy

667 views / 0 likes - added 6 years ago

We can use pronouns to show possession relationships, describing what things belong to which people, like "her shoe" or "the book is mine." Possessive pronouns come in two flavors: adjective and noun! David, KA's resident grammarian, covers the difference
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BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

513 views / 0 likes - added 6 years ago

You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,227 views / 0 likes - added 6 years ago

Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
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Punctuating a list | Punctuation | Grammar | Khan Academy

582 views / 0 likes - added 6 years ago

Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
03:24 Popular
More uses for commas | Punctuation | Grammar | Khan Academy

800 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c
02:18 Popular
Salutations and valedictions | Punctuation | Grammar | Khan Academy

828 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a
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Commas and introductory elements | Punctuation | Grammar | Khan Academy

527 views / 0 likes - added 6 years ago

In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-an
06:08 Popular
Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

782 views / 0 likes - added 6 years ago

Is it okay to begin a sentence with a conjunction like "but" or "because"? Yes. David explains why. Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/v/correlative-conjunctions?utm_source=YT&utm_medium=D
03:43 Popular
BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

848 views / 0 likes - added 6 years ago

David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma? Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/appositives-the-comma-punctuation-khan-academy?utm_source=YT&utm
03:26 Popular
Grammar's Great Divide: The Oxford Comma - TED-Ed

1,133 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/grammar-s-great-divide-the-oxford-comma-ted-ed If you read "Bob, a DJ and a clown" on a guest list, are three people coming to the party, or only...
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04:39 Popular
Does Grammar Matter? - Andreea S. Calude

921 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/does-grammar-matter-andreea-s-calude It can be hard sometimes, when speaking, to remember all of the grammatical rules that guide us when we’re writing. When is it right to say “the dog and me” and when should i
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07:50 Popular
Compound Prepositions | Prepositions | The Parts Of Speech | Grammar

953 views / 0 likes - added 8 years ago

These prepositions are called compound prepositions, or multisyllabic prepositions. Like most prepositions, they have both literal and figurative meanings. David explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech
15:17 Popular
NERD SHAMES Girl's BAD GRAMMAR, What Happens Is Shocking | Dhar Mann

1,065 views / 1 likes - added 1 year ago

Download my FREE mobile app App Store = https://apple.co/3nhvjapGoogle Play = https://bit.ly/3DRzS1I Don't forget to SUBSCRIBE to my channel by clicking here http://bit.ly/DharMannYouTube **Make sure you CLICK THE BELL ICON so you can get notifications wh
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Under- and overstatement | Style | Grammar

456 views / 0 likes - added 6 years ago

This is, bar none, the greatest video Khan Academy has ever made, although I may be slightly overstating that. Learn how to master this style by following along.
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Irony | Style | Grammar

417 views / 0 likes - added 6 years ago

Irony, puns, and sarcasm are some of the toughest concepts in English. This video attempts to explain all three.
08:14 Popular
The scale of formality | Style | Grammar

1,103 views / 0 likes - added 6 years ago

How formal or informal should you be when you write or speak? Let's dive into that!
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Alliteration, Assonance, and Onomatopoeia | Style | Grammar

648 views / 0 likes - added 6 years ago

This video will teach you all about the different ways you can use the sound of words for effect. Alliteration is when you use a bunch of similar consonants in a row; assonance is when you use a bunch of similar vowel sounds in a row; onomatopoeia is basi
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There, their, and they're | Frequently confused words | Usage | Grammar

424 views / 0 likes - added 6 years ago

This is one of the most frequently-confused trios in the English language. Follow along, and learn to suss out the differences between these three words.
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To, two, and too | Frequently confused words | Usage | Grammar

437 views / 0 likes - added 6 years ago

Another troublesome triad, "to", "two", and "too". Let's set these frequently-confused words straight!
05:53 Popular
Origin Of The Mutant Plural | The Parts Of Speech | Grammar

993 views / 0 likes - added 8 years ago

Why does "goose" become "geese" and "foot" become "feet"? David the Grammarian and Jake the Linguist explain.
03:43 Popular
Concrete And Abstract Nouns | The Parts Of Speech | Grammar

1,379 views / 0 likes - added 8 years ago

The difference between concrete and abstract nouns can be a little fuzzy. Let's start by focusing on the word origins of "concrete" and "abstract", and see if that gives us a way in.
02:52 Popular
Common And Proper Nouns | The Parts Of Speech | Grammar

1,472 views / 0 likes - added 8 years ago

What's the difference between a common noun and a proper noun?
05:38 Popular
Prepositional Phrases | Prepositions | The Parts Of Speech | Grammar

735 views / 0 likes - added 8 years ago

Prepositional phrases are word chunks that begin with a preposition. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositional-phrases/ Missed the previous lesson? https://www.khanacademy.org/the-preposi
03:23 Popular
Schoolhouse Rock: Grammar - Conjunction Junction Music Video

3,881 views / 5 likes - added 8 years ago

"Conjunction Junction, what's your function?" The classic Jack Sheldon favorite from Schoolhouse Rock. For more information, go to www.DisneyEducation.com.
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03:24 Popular
Schoolhouse Rock: Grammar - Unpack Your Adjectives Music Video

5,687 views / 4 likes - added 8 years ago

The classic adjective song from Schoolhouse Rock! This song was written by one of the original founders of Schoolhouse Rock, our friend George Newall, and performed by Blossom Dearie. For more information, go to www.DisneyEducation.com.
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Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

1,128 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces you to the most common English part of speech: the noun. Watch the next lesson: https://youtu.be/ETzngG8N3AU About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a pers
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Affect and effect | Frequently confused words | Usage | Grammar

617 views / 0 likes - added 6 years ago

TL;DW: affect's a verb and effect's a noun. But there's a little more to it than that.
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Hear/here and accept/except | Frequently confused words | Usage | Grammar

462 views / 0 likes - added 6 years ago
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Less versus fewer | Frequently confused words | Usage | Grammar

421 views / 0 likes - added 6 years ago

How do you know when to use "less" or "fewer" when describing the quantity or amount of things?
02:42 Popular
Irregular Plural Nouns, Part IV | The Parts Of Speech | Grammar

830 views / 0 likes - added 8 years ago

English has seven words that behave very strangely when you change them from the singular to the plural. These are called THE MUTANT PLURALS of English. They're super cool.
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Irregular Plural Nouns, Part III | The Parts Of Speech | Grammar

663 views / 0 likes - added 8 years ago

Some nouns look the same whether they're singular or plural – these nouns are called "base plurals", and we'll demonstrate how they behave the only way I know how... by using sheep!
04:35 Popular
Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

1,272 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize
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Compliment/complement and desert/dessert | Frequently confused words | Usage | Grammar

494 views / 0 likes - added 6 years ago
02:34 Popular
Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

879 views / 0 likes - added 8 years ago

The plural of "dog" is "dogs", but what is the plural of "leaf"? Khan Academy's resident grammarian explains. Watch the next lesson: https://youtu.be/n9poHOKkF28 About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a perso
07:23 Popular
Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

935 views / 0 likes - added 8 years ago

The plural of "whale" is "whales", but what's the plural of "child"? David, Khan Academy's resident grammarian, explains. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower
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Bare/bear, allowed/aloud, advice/advise, break/brake | Frequently confused words | Usage | Grammar

489 views / 0 likes - added 6 years ago

Learn to tell the differences between these eight frequently-confused words!
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Prepositions Of Neither Space Nor Time | Prepositions | The Parts Of Speech | Grammar

916 views / 0 likes - added 8 years ago

Some prepositions describe relationships between people or things. These prepositions don’t include information about time or space. Watch the next lesson: https://www.khanacademy.org/the-preposition/e/common-prepositions Missed the previous lesson? Watch
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Prepositions Of Time | Prepositions | The Parts Of Speech | Grammar

1,296 views / 0 likes - added 8 years ago

Some prepositions help describe moments in time. Learn more and enhance your powers of time wizardry! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the next lesson:
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Prepositions Of Space | Prepositions | The Parts Of Speech | Grammar

1,112 views / 0 likes - added 8 years ago

Some prepositions help describe relationships between objects and their locations in space. David explains how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the nex
03:49 Popular
Meet The Prepositions | Prepositions | The Parts Of Speech | Grammar

1,058 views / 1 likes - added 8 years ago

Prepositions help show us where things are in space and time. Practice this yourself on Khan Academy right now: http://www.khanacademy.org/the-preposition/e/meet-the-preposition Watch the next lesson: https://www.youtube.com/watch?v=96sojEZsKu8 The parts
03:34 Popular
Introduction To Agreement | Verbs | The Parts Of Speech

787 views / 0 likes - added 8 years ago

When you match up the subject of a sentence with a verb, it's called 'agreement'. Here's how it works! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-verb-agreement M
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English Doesn't Make Sense

284 views / 0 likes - added 2 years ago

The English language can be very complex and confusing when it comes to grammar rules.
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Schoolhouse rock, Busy Prepositions

764 views / 0 likes - added 6 years ago

The relatively new original grammar cartoon that catchy and really helps you remember!
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BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

464 views / 0 likes - added 6 years ago

The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a
05:07 Popular
Complex sentences | Syntax | Khan Academy

774 views / 0 likes - added 6 years ago

Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple
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Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

558 views / 0 likes - added 6 years ago

Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch
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Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

528 views / 1 likes - added 6 years ago

David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe
03:19 Popular
Commas in space and time | The Comma | Punctuation | Khan Academy

821 views / 0 likes - added 6 years ago

Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t
07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy

1,281 views / 0 likes - added 6 years ago

Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat
04:53
Subject-verb agreement | Syntax | Khan Academy

629 views / 0 likes - added 6 years ago

Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc
02:50
Exclamations | Syntax | Khan Academy

477 views / 0 likes - added 6 years ago

An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http
04:14 Popular
Compound-complex sentences | Syntax | Khan Academy

847 views / 0 likes - added 6 years ago

Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com
02:51
Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

464 views / 0 likes - added 6 years ago

There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p
11:58
Origins Of The Cold War

606 views / 0 likes - added 8 years ago

KA's US History fellow Kim Kutz and Grammar fellow David Rheinstrom discuss the atmosphere in Europe after World War II that led to the start of the Cold War.
03:32
Three types of sentence | Syntax | Khan Academy

640 views / 0 likes - added 6 years ago

Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig
05:05
Parallel structure | Syntax | Khan Academy

658 views / 0 likes - added 6 years ago

Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr
04:19
Dangling modifiers | Syntax | Khan Academy

589 views / 0 likes - added 6 years ago

A modifying word or phrase “dangles” when it doesn’t apply to the word it’s supposed to modify. Learn how to spot and fix this problem! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dangling-modifiers/ Watch the ne
04:29 Popular
Simple and compound sentences | Syntax | Khan Academy

923 views / 0 likes - added 6 years ago

A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

776 views / 0 likes - added 6 years ago

An antecedent is “the thing that came before”. When you use a pronoun, it’s standing in for a word you used previously—that’s the antecedent. Join us as we demonstrate how to make sure that your pronouns and antecedents match up with one another: that’s c
10:31
What Constellations Mean to Different Cultures | Fate & Fabled

457 views / 0 likes - added 2 years ago

The stars have guided and entertained us for thousands of years. Here we explore some of the messages people have seen in the stars through the millennia and look forward to how we might relate to the stars in the future.Hosted by Dr. Moiya McTier & Dr. E
03:48
Recognizing fragments | Syntax | Khan Academy

490 views / 0 likes - added 6 years ago

A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan
04:38
Run-ons and comma splices | Syntax | Khan Academy

601 views / 0 likes - added 6 years ago

A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on
02:34
Subjects and predicates | Syntax | Khan Academy

655 views / 0 likes - added 6 years ago

A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id
04:44 Popular
Relative clauses | Syntax | Khan Academy

748 views / 0 likes - added 6 years ago

A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,501 views / 0 likes - added 6 years ago

A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver
05:19
What do all languages have in common? - Cameron Morin

301 views / 1 likes - added 3 years ago

Dig into Noam Chomskys theory of universal grammar and decide: are there universal grammar rules and are they hardwired into our brains?--Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, a
12:47 Popular
ONLY PEOPLE WITH UNIQUE BRAINS WILL SOLVE THESE RIDDLES!

1,199 views / 1 likes - added 5 years ago

Only people with unique brains and vision will be able to solve these tricky riddles. Those who don't have (like me), will experience difficulties, but don't worry, these are the riddles with answers: 00:00 - Grammar quiz. This short grammar quiz will tes
05:14 Popular
Intensifiers And Adverbs Of Degree | Modifiers | The Parts Of Speech

994 views / 0 likes - added 8 years ago

Words like 'very' and 'slightly' are examples of intensifiers and adverbs of degree. Here's how they work! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modifier/e/intensifiers-and-adver
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BONUS VIDEO | Terminal Prepositions | Prepositions | The Parts Of Speech

539 views / 0 likes - added 8 years ago

It's totally okay to end sentences with prepositions! David, Khan Academy's grammarian-in-chief, explains the history and the context behind this long-held grammar myth. Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/gramma
04:43
Subject, direct object, and indirect object | Syntax | Khan Academy

658 views / 0 likes - added 6 years ago

A subject is the noun phrase that drives the action of a sentence; in the sentence “Jake ate cereal,” Jake is the subject. The direct object is the thing that the subject acts upon, so in that last sentence, “cereal” is the direct object; it’s the thing J
02:54 Popular
BONUS: "FANBOYS," a mnemonic song | Conjunctions | Parts of speech| Khan Academy

1,571 views / 0 likes - added 6 years ago

FANBOYS" is a mnemonic device you can use to help remember the coordinating conjunctions of English. Team Grammar made this video, figuring that we couldn't very well cover conjunctions without writing a song, now could we? If you're moved to make your ow
04:34
What is a sentence? | Syntax | Khan Academy

560 views / 0 likes - added 6 years ago

A sentence is a grammatically complete idea. All sentences have a noun or pronoun component called the subject, and a verb part called the predicate. David and Paige explore this division across several different example sentences. Watch the next lesson:
03:45
Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

604 views / 0 likes - added 6 years ago

Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www
03:50
Adjectives and commas | Adjectives | Khan Academy

697 views / 1 likes - added 6 years ago

When using more than one adjective, sometimes you put a comma between them and sometimes you don't. Learn how to tell when you need a comma in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-modifier/e/commas-
01:51
Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

505 views / 0 likes - added 6 years ago

Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha
00:52
How old can Greenland sharks get? | SciShow Kids #shorts #science #scishowkids #shark

91 views / 0 likes - added 1 year ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Alex Billow: WriterKyle Nackers: Fact CheckerMadison Lynn : VideographerSam Schultz : Script SupervisorSam Schultz: EditorSavannah Geary: Associate ProducerDaniel Comiskey: Editorial DirectorSam Schultz
03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

935 views / 1 likes - added 6 years ago

Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/
00:39
How do they make Play-Doh? | SciShow Kids

102 views / 0 likes - added 11 months ago

Sources:https://ctsciencecenter.org/blog/28562/https://www.stemlittleexplorers.com/en/make-homemade-playdough-learn-science/ Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Alex Billow: WriterKyle Nackers: Fact CheckerStefan Chin: EditorJosef "Tuna"
00:43
A chameleon robot that changes colors! #shorts #science

145 views / 0 likes - added 2 years ago

Niba Audrey Nirmal: HostEmma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate ProducerSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Execut
51:15 Popular
Khan Academy Live: SAT Writing

719 views / 0 likes - added 6 years ago

Need help with SAT writing? Join Eric, one of Khan Academy’s SAT experts, for a live SAT writing class Tuesday, May 30 at 7 pm ET/4pm PT. It’s free! Eric will walk through key grammar concepts like subject-verb agreement and sentence punctuation. Can’t ma
00:44
Why Galaxies are Fidget Spinners #shorts #science

171 views / 0 likes - added 2 years ago

Niba Audrey Nirmal: HostEmma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate ProducerNate Biehl: AnimatorSarah Suta: ProducerCaitlin Hofmeister: Executive Produc
00:43
These squirrels do parkour. #shorts #science

166 views / 0 likes - added 2 years ago

Niba Audrey Nirmal: HostEmma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate ProducerSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Execut
03:22
How Do Hand Sanitizers Work?

539 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions The labels always read, "Kills 99.99% of Germs!" but does the science of hand sanitizers back it up? Today we're taking a closer look at what this goo is made of, and just how effective it really is against viruses an
05:21
Are Elvish, Klingon, Dothraki And Na'vi Real Languages? - John McWhorter

665 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/are-elvish-klingon-dothraki-and-na-vi-real-languages-john-mcwhorter What do Game of Thrones' Dothraki, Avatar's Na'vi, Star Trek's Klingon and LOTR's Elvish have in common? They are all fantasy constructed langu
00:59
These fungi eat radiation. #shorts #science

151 views / 0 likes - added 2 years ago

Keeping the Fungus Among Us in Space: https://www.youtube.com/watch?v=75iHWp3vTOwEmma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate ProducerSarah Suta: Produce
00:53
Why do we get dark circles under our eyes? #shorts #science

190 views / 0 likes - added 2 years ago

Emma Dauster: WriterAttabey Rodrguez Bentez: Script EditorLuke Rosener: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate Producer, HostSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Executive ProducerSource
05:12
Fried Chicken’s Deliciousness, Explained

545 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Battered and deep-fried chicken might be one of the most delicious foods ever. But what makes this summer picnic staple so tasty? It all comes down to the chemistry of frying. In the latest Reactions video, learn how
00:37
How do you milk an almond? #shorts #science

170 views / 0 likes - added 2 years ago

Niba Audrey Nirmal: HostEmma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate ProducerNate Biehl: AnimatorSarah Suta: ProducerCaitlin Hofmeister: Executive Produc
04:21
Do we think differently in different languages? | BBC Ideas

431 views / 0 likes - added 3 years ago

There are more than 7,000 languages in the world so does that mean there are more than 7,000 ways of seeing it? The Whorfian hypothesis is the idea that the language we speak affects the way we think and even how we see and structure the world around us.
04:07
The Oxford Comma's Unlikely Origin

513 views / 0 likes - added 7 years ago

Oxford commas are the world's most controversial punctuation mark — but where did they come from? Vox's Phil Edwards explored the history... Subscribe to our channel! http://goo.gl/0bsAjO The Oxford comma is a grammar geek's obsession, and it turns out to
08:06
The Odd History of English Spelling | Otherwords

170 views / 0 likes - added 2 years ago

The English spelling system is a MESS... arguably more than any other language. How did it get this way?Otherwords is a PBS web series on Storied that digs deep into this quintessential human trait of language and fnds the fascinating, thought-provoking,
05:51
The Delicious Chemistry of Sushi

478 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Sushi is sublime. Just fresh fish and seasoned rice in its simplest form served one on top of the other or rolled up with some veggies in a seaweed wrapper. What creates the subtle interplay of flavors in your tuna ni
10:02 Popular
Language: Crash Course Psychology #16

882 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
00:44
Do your nose and ears keep growing as you age? #shorts #science

199 views / 0 likes - added 2 years ago

Emma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate Producer, HostSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Executive ProducerSource
00:50
Milk Magic! | Surface Tension #shorts #science #scishowkids #experiment #milk

88 views / 0 likes - added 8 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Jennifer Szymanski: WriterKyle Nackers: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerSam Schultz: Script SupervisorStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerSam Schultz: P
08:16
How Close Are We to Talking With Animals?

568 views / 0 likes - added 5 years ago

We know about apes learning sign language, but what about dolphins typing on an underwater keyboard? Or A.I. machines translating prairie dog chirps? We want to answer how close we are to conversing with the animal kingdom. How Close Are We: Season 2 - ht
00:49
How do squirrels remember their nuts? #shorts #science

174 views / 1 likes - added 2 years ago

Emma Dauster: WriterAttabey Rodrguez Bentez: Script EditorKyle Nackers: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate Producer, HostSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Executive ProducerFor Mo
04:51
Why Olive Oil is Awesome

520 views / 1 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Whether you sop it up with bread or use it to boost your cooking, olive oil is awesome. But a lot of chemistry goes on in that bottle that can make or break a product. Take the “extra virgin” standard: Chemistry tells
08:25
English vs. German vs. Dutch vs. Afrikaans | West Germanic Language Comparison

291 views / 0 likes - added 1 year ago

Is Afrikaans similar to Dutch? How similar are German and English? Let's compare four of the most spoken Germanic languages - English vs. German vs. Dutch vs. Afrikaans. This Germanic language comparison will help you understand the difference in spelling
00:43
Your cuticles aren't just for aesthetics #shorts #science

161 views / 0 likes - added 2 years ago

Emma Dauster: WriterAttabey Rodrguez Bentez: Script EditorLuke Rosener: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate Producer, HostSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Executive ProducerSource
10:57
BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

592 views / 0 likes - added 6 years ago

David, Paige, and Jake cover the fascinating history of the possessive apostrophe. Stay tuned for this bonus video! Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/v/bonus-history-of-the-ap
00:37
Whats a mosquitos favorite color? #shorts #science #SciShow

142 views / 0 likes - added 2 years ago

Emma Dauster: WriterKyle Nackers: Fact CheckerAttabey Rodrguez Bentez: Script EditorSavannah Geary: Editor, Associate Producer, HostSarah Suta: Producer Caitlin Hofmeister: Executive Producer Hank Green: Executive ProducerSource:https://www.nature.com/art
00:58
When you're almost asleep and then jerk back awake #shorts #science #sleep #biology

148 views / 0 likes - added 2 years ago

Emma Dauster: WriterAttabey Rodrguez Bentez: Script EditorRachel Garner: Fact CheckerBonnie Meyer: Managing EditorSavannah Geary: Editor, Associate ProducerSarah Suta: ProducerCaitlin Hofmeister: Executive ProducerHank Green: Executive Producer, HostSourc
00:37
What is the fall equinox? | SciShow Kids

64 views / 0 likes - added 5 months ago

Hosted by: Sam SchultzKaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerAimee Roberts: Art DirectorDaniel Comiskey: Editorial DirectorSavannah Gea
04:50
Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

606 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce a new piece of punctuation: the apostrophe! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/introduction-to-the-apostrophe Watch the next lesson: https://www.k
00:50
How do bats see in the dark? | SciShow Kids

130 views / 0 likes - added 5 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Jennifer Szymanski: WriterRachel Garner: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerSam Schultz: Script Supervisor/PuppeteerStefan Chin: EditorSavannah Geary: Associate ProducerJose
00:42
Why are mosquito bites so itchy? #shorts #science #scishowkids #mosquito #insects

87 views / 0 likes - added 8 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Michal Richardson: WriterKyle Nackers: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerSam Schultz: Script SupervisorAimee Roberts: PuppeteerStefan Chin: EditorDaniel Comiskey: Editorial
00:48
The longest meat-eating dinosaur: Spinosaurus! #shorts #scishowkids #science #dinosaur

67 views / 0 likes - added 8 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Michal Richardson: WriterKyle Nackers: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerAimee Roberts: PuppeteerSam Schultz: Script SupervisorStefan Chin: EditorSavannah Geary: Associate
09:01
How a dictionary writer defines English

571 views / 0 likes - added 7 years ago

Kory Stamper works for Merriam-Webster. So how does a dictionary writer define the language? Vox's Phil Edwards found out in this episode of Vox Almanac. You can find Kory's new book here: http://www.penguinrandomhouse.com/books/530504/word-by-word-by-kor
00:39
Stargazing: The Summer Triangle | SciShow Kids

80 views / 0 likes - added 10 months ago

Hosted by: Sam Schultz (he/him)Kaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerHiroka Matsushima: Script SupervisorStefan Chin: EditorAndrew Smith: Sound DesignerSam Schultz: PuppeteerFaith Evelyn S
02:52
Three ways to end a sentence | Punctuation | Khan Academy

581 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/three-ways-to-end-a
13:13 Popular
The Great MOLASSES Flood of 1919

938 views / 2 likes - added 3 years ago

When you think molasses, you probably think slow, sticky, or totally boring, but in January, 1919, a tsunami wave of molasses destroyed Bostons North End, killing 21 people and leaving another 150 injured. In this episode of #Untold, a new #YouTubeLearnin
00:53
Make your own lightning! | SciShow Kids

83 views / 0 likes - added 11 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Kaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerAimee Roberts: PuppeteerStefan Chin: EditorSavannah Geary: Associate ProducerAndrew Smith: Sound
00:46
Why do leaves change color? | SciShow Kids

107 views / 0 likes - added 6 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Arwen Hubbard: WriterKyle Nackers: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerAimee Roberts: Art Director/PuppeteerSam Schultz:
15:42
UNTOLD | The Loneliest Whale

397 views / 1 likes - added 3 years ago

Out in the deep swims an elusive whale who has never been seen, but has been heard for years. The whale sings a song outside the normal whale-song frequency. Does that mean none of its fellow whales can understand it? In this episode of #Untold, a new #Yo
05:20
The One Where We Put Stuff in Acid

695 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or royal water, is
Featured
11:59
The Terrifying (but Awesome) Science Behind Red Tides

319 views / 0 likes - added 3 years ago

Maybe you already knew that deadly algal tides discolor ocean waves, deplete the water of oxygen, and release toxins that can kill a huge range of ocean critters, but did you know that the tiny organisms that cause red tides are also an extremely importan
14:33
The World's Biggest Batteries Aren't What You Think

271 views / 0 likes - added 3 years ago

When you think of batteries, you might think of the thing your watch or car needs to run. But as we move toward producing and storing more renewable energy (like solar and wind) we have to start thinking bigger. In this episode of #Untold, a new #YouTubeL
13:53
What Meteors Reveal About Earths Hidden Past

278 views / 0 likes - added 3 years ago

Our planet has been rocked by many-a-meteorite, and theyve left not just themselves as space debris but also craters and even molecules needed for life. Now weve started to travel to them, and they might be a key part of our forays into deep space. In thi
08:16
Will This Pop a Balloon?

442 views / 1 likes - added 5 years ago

Have you ever popped a balloon with just an orange peel? This chemistry party trick is a classic demo of how solvents work. Learn about the science of why like dissolves like! Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
00:46
Why did dinosaurs go extinct? | SciShow Kids

93 views / 0 likes - added 11 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)JD Voyek: WriterKeren Turton: Fact CheckerStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerFaith Evelyn Schmidt: Associate ProducerDaniel Comiskey: Editorial DirectorSarah Suta: ProducerNicole Swee
00:42
Why do we get wrinkly fingers after a bath? #shorts #science #scishowkids #biology

85 views / 0 likes - added 8 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Kaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerSam Schultz: Script SupervisorStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerAimee Roberts
00:47
Why is blood red? | SciShow Kids

101 views / 0 likes - added 5 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Kaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerSam Schultz: Script SupervisorStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerAimee Roberts
06:56 Popular
DIY Rainbow School Supplies! Hack Along: Highlighter, Slime Book, Pencil Clutch | DIY LIFE HACK GIRL

1,262 views / 2 likes - added 6 years ago

This week, we are brightening your school days with DIY school supplies, THE RAINBOW EDITION! DIY Rainbow Highlighter. 3 highlighters in one! WHAAAAT! Check it out, for this DIY all you need is a yellow, a blue and a pink highlighter. Draw each color onto
00:55
Why does ice float? | SciShow Kids

88 views / 0 likes - added 11 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Kaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerStefan Chin: EditorAndrew Smith: Sound DesignerSavannah Geary: Associate ProducerDaniel Comiskey:
00:45
How Is Urine Made? | SciShow Kids

54 views / 0 likes - added 5 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Arwen Hubbard: WriterCourtney Tern : Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerHiroka Matsushima: Script SupervisorStefan Chin: EditorMackenna Goodrich: Associate ProducerJosef "Tuna"
12:44
What Could An Explosion On the Sun Do Here On Earth?

247 views / 0 likes - added 3 years ago

The sun is essential plant food thats heating our planet, but we dont often think about the wild things happening on and below its surface. In this episode of #Untold, a new #YouTubeLearning series from ACS, PBS, and YouTube, we talk about those wild thin
12:52
Cellulose: From Trees to Explosives

384 views / 0 likes - added 3 years ago

Cellulose is everywhere. In fact, it is the most abundant organic molecule on the Earth! Its in (but not limited to) our food, clothing, and plastics, and the cellulose compound nitrocellulose is used in explosives but also in things like x-rays, early si
05:35 Popular
The Race to Invent the Periodic Table

1,172 views / 0 likes - added 6 years ago

This week on Reactions, we look at the chemistry of gallium, the science behind the holes in the periodic table, and the history of how the elements fell into place. Some chemists might see the periodic table of elements as a holy testament to the power o
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06:59
How Milk Becomes Cheese

566 views / 2 likes - added 6 years ago

Ever wonder how milk becomes cheese? We asked about the science and the microbes that go into this tasty food. This week on Reactions, we visit St. James Cheese Company in New Orleans to learn all about the chemistry of your favorite dairy product. Subscr
03:52 Popular
How Plastic Recycling Actually Works

836 views / 0 likes - added 5 years ago

Check out REInventors here!: http://youtube.com/pbsreinventors What happens to plastic bottles when you recycle them? Do they get made into fresh bottles, or do they become something else? This week on Reactions, learn why it's easier to turn bottles into
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04:09 Popular
What Color Is The Moon?

845 views / 2 likes - added 8 years ago

How the night sky tricks our brains! ↓ More info and sources below ↓ Here’s how you all described the color of the moon: https://www.facebook.com/itsokaytobesmart/photos/a.337182013046136.73328.173915612706111/801410886623244/ http://www.itsokaytobesmart.
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04:30 Popular
How Much Tea Would it Take to Turn the Boston Harbor into Tea?

894 views / 1 likes - added 5 years ago

We wanted to know if enough tea was dumped in Boston harbor during the Boston tea party to turn the entire thing to tea. So we did some math. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSR
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The Leidenfrost Effect: When Water Levitates

670 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Have you ever seen a drop of water navigate a maze? It’s possible thanks to a weird phenomenon called the Leidenfrost Effect. Understanding Leidenfrost — first described more than 200 years ago — helped engineers make
12:31
Whatever Happened to the Ozone Hole? A Story of A/C, Atoms, and CFCs

597 views / 0 likes - added 3 years ago

It might feel like theyre making us cooler, but refrigerators and air conditioning are actually making our world warmer. Yes, they use a huge amount of electricity, but many older cooling methods also released tons of molecules that are still hanging arou
14:58
Challenger: The Real Story of an Avoidable Disaster

368 views / 0 likes - added 3 years ago

On January 28, 1986, the Challenger Space Shuttle broke apart just 73 seconds into its flight. All seven crew members aboard were killed and space travel was changed forever. In this episode of #Untold, a new #YouTubeLearning series from ACS, PBS, and You
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Can You Take Expired Medications?

438 views / 0 likes - added 5 years ago

Description: Every medicine you buy has an expiration date printed on it somewhere, but does it actually go bad? This week on Reactions, we explain the chemistry of drug expiration dates. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com
03:05
How Does Double Acting Baking Powder... Doubly Act?

481 views / 0 likes - added 5 years ago

Take the PBSDS Annual Survey! https://to.pbs.org/2018YTSurvey Why does baking powder say “double acting” on the container? Is that better than single acting? This week on Reactions, we explain -- with chemistry! Subscribe! http://bit.ly/ACSReactions Faceb
00:55
Meet the monkey with a spectacular snout! | SciShow Kids

27 views / 0 likes - added 4 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Michal Richardson: WriterKyle Nackers: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerHiroka Matsushima: Script SupervisorStefan Chin: EditorMackenna Goodrich: Associate ProducerJosef "
03:42
Why Tardigrades are Some of the Most Hardcore Critters on the Planet

552 views / 0 likes - added 5 years ago

It can survive drying out, extreme heat and cold, and even exposure to vacuum. The humble tardigrade can be found practically anywhere there’s enough water for it to live, and quite a few places there isn’t. This weird, ugly-cute little guy’s secret comes
02:15 Popular
What are Eye Boogers?

871 views / 1 likes - added 5 years ago

Watch PBS Eons! https://www.youtube.com/eons Eye crusties, sleep, sand, eye boogers. What’s that stuff in the corner of your eyes when you wake up? This week, Reactions explains the chemistry of the film that protects your eyes. Subscribe! http://bit.ly/A
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00:53
The Amazing Elephant Seal | SciShow Kids

53 views / 0 likes - added 4 months ago

Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Michal Richardson: WriterKyle Nackers: Fact CheckerAlex Billow: Script EditorMadison Lynn: VideographerHiroka Matsushima: Script SupervisorStefan Chin: EditorMackenna Goodrich: Associate ProducerAimee R
05:19
What is Natto?

445 views / 0 likes - added 5 years ago

It’s a much-loved, protein-packed Japanese food standby. It’s also made of slimy, stinky soybeans. By popular request, this week Reactions is all about the chemistry of natto. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
04:45
The Ultimate Donut Battle: Cake vs. Yeast

488 views / 0 likes - added 5 years ago

There’s nothing weirder than biting into a cake donut when you’re expecting the texture of a yeast donut. It’s all fried dough, right? This week on Reactions, we talk about how chemistry makes these two foods so different. Subscribe! http://bit.ly/ACSReac
04:39 Popular
How Air Conditioning Works

728 views / 0 likes - added 5 years ago

To beat the summer heat, we turn to air conditioning. But that sweet, cool relief isn’t magic: it’s the science of heat transfer and the chemistry of refrigerants. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
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05:29
Do Astronauts Need Sunscreen?

446 views / 0 likes - added 5 years ago

How do astronauts survive the deadly radiation of deep space? NASA is still figuring out how to protect astronauts from cosmic radiation -- like plastic shielding and magnetic deflectors. Learn more about National Chemistry Week here! https://www.acs.org/
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Yellowstone Steaming Acid Pools of Death

505 views / 0 likes - added 5 years ago

TAKE THE PBS DIGITAL SURVEY! https://to.pbs.org/2018YTSurvey Yellowstone National Park’s hot springs have incredible geochemistry thanks to being part of an actual volcano. But why are they so different, and why are some more dangerous than others?
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What's That After-Rain Smell Made Of?

599 views / 0 likes - added 6 years ago

There’s a sweet smell in the air after it rains, whether it’s a spring shower or a summer storm. This week on Reactions, we explain the chemistry of petrichor, the smell of rain. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReact
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04:29
Chameleons Are Masters of Nanotechnology

482 views / 1 likes - added 5 years ago

What do chameleons have to do with nanotechnology? These color-changing lizards are some of nature’s wackiest animals, all because they’re masters of pigment and light. This week on Reactions, learn all about the chemistry of chameleon color. Subscribe to
02:48
Why Do Some People Hate Cilantro?

588 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Cilantro is one of the most polarizing herbs the planet. Consider it the Benedict Cumberbatch of taco toppings. But what is it about this little plant that stokes such intense vitriol from some people, while the rest
04:35
theredntve

97 views / 0 likes - added 6 months ago

This script was a nightmare to pronounce. Written with Molly Ruhl and Gretchen McCulloch. Gretchen's podcast has an episode all about this: https://lingthusiasm.com/post/662535562508517376/lingthusiasm-episode-60-thats-the-kind-of More Language Files: htt
12:01
The Game That Learns

631 views / 0 likes - added 4 years ago

Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMInstall Raid for Free IOS: http://bit.ly/2HtjCLc ANDROID: http://bit.ly/2Th4NgaGet 50k silver immediately and a free Epic Champion as part of the new pla
12:20 Popular
Smallest Countries In The World

799 views / 0 likes - added 4 years ago

The smallest independent countries in the world! These are the various micronations around the planet and the ways in which they prosper despite their stature.What micronations can be found within the borders of Italy? What tiny island countries checker t
04:10
How Do You Catch Fruit Flies?

466 views / 1 likes - added 5 years ago

You catch more flies with honey than with vinegar--or do you? This week on Reactions, we explain the chemistry behind why fruit flies love vinegar so much, some entomologists call them “vinegar flies.” Check out Storycast “Tacos of Texas,” here!: https://
05:15
Why Does Stinky Cheese Stink?

511 views / 0 likes - added 5 years ago

Some cheeses, like Epoisses, are so legendarily stinky they’re supposedly banned on public transit in France. It’s the chemistry of washed-rind cheeses that makes them such a smelly food. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com
04:12
Why Do We Have Fingernails And Not Claws? #AskDNews

596 views / 0 likes - added 8 years ago

Nails evolved from claws roughly 50 million years ago. Why did this happen and what purpose do nails serve? Why Do Fingernails Grow Faster Than Toenails? ►►►►http://bit.ly/1MQiFVb Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read Mo
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Can Silver Nanoparticles Combat Your Stink?

371 views / 0 likes - added 5 years ago

Some clothing makers try to harness the antibacterial power of silver to combat the smell of sweat from your workouts -- now with added nanotechnology. This week on Reactions, we ask: does it work? Subscribe! http://bit.ly/ACSReactions Facebook! http://fa
03:46
Why Superhydrophobic Materials Never Get Wet

593 views / 0 likes - added 6 years ago

For more water-repelling chemistry, check out this great graphic from our friends at C&EN and Compound Interest: http://cen.acs.org/articles/94/i15/Periodic-graphics-Water-repelling-chemistry.html Subscribe! http://bit.ly/ACSReactions Raincoats, car winds
05:58
The Evolution of Dance - 1950 to 2019 - By Ricardo Walker's Crew

691 views / 0 likes - added 3 years ago

If you enjoyed this video, make sure to SUBSCRIBE, this is the best way for you to support us! Don't forget to hit the LIKE bottom and comment below what do you think about this video! Musics that we used on the video: 00:03 - 00:13 - Singin'in the Rain -
04:03
How Many Languages Are There?

304 views / 0 likes - added 3 years ago

The answer is, of course, a bit more complicated than you might think. Written with Molly Ruhl and Gretchen McCulloch. Gretchen's podcast has an episode all about this: https://lingthusiasm.com/post/154520059101/lingthusiasm-episode-1-speaking-a-single-la

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