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The Sweet Secret of Frogsicles!

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Channel: SciShow Kids
Categories: Biology   |   Environmental   |   Science  
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Description

On a cold day, sometimes people will say "I'm freezing!," even though they aren't actually frozen like ice. But there is a very special animal that can say "I'm freezing" and mean it: wood frogs! Join Jessi and Squeaks to learn about the chilling way these frogs survive the winter!

Science and Engineering Practices:

Asking Questions and Defining Problems

Disciplinary Core Ideas:

PS1.A: Structure and Properties of Matter - Different kinds of matter exist and many of them can be either solid or liquid, depending on temperature. Matter can be described and classified by its observable properties. (2-PS1-1).

PS1.B: Chemical Reactions - Heating or cooling a substance may cause changes that can be observed. Sometimes these changes are reversible, and sometimes they are not (2-PS1-4).

Performance Expectations:

2-PS1-1. Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.

2-PS1-4. Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.

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SOURCES:
https://www.units.miamioh.edu/cryolab/projects/woodfrogfreezing.htm
https://www.nps.gov/gaar/learn/nature/wood-frog-page-2.htm
https://jeb.biologists.org/content/181/1/245.full.pdf
https://blog.nationalgeographic.org/2013/08/21/how-arctic-frogs-survive-being-frozen-alive/
https://van.physics.illinois.edu/qa/listing.php?id=1633&t=sugar-water-freezing

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