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Turtle Travel Tips: How Magnets Can Help Us Navigate | Magnetoreception

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 Geography   |   Physics   |   Science   |   Social Science
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Description

When people travel a long distance, they'll usually use a map. But there are lots of animals that travel really long distances, too, and they can't use maps... so how do they not get lost? Our friend Dr. Turtleman calls in to explain!

First Grade Next Generation Science Standards

Disciplinary Core Ideas:

LS1.A: Structure and Function - All organisms have external parts. Different animals use their body parts in different ways to see, hear, grasp objects, protect themselves, move from place to place, and seek, find, and take in food, water and air (1-LS1-1).

LS1.D: Information Processing - Animals have body parts that capture and convey different kinds of information needed for growth and survival. Animals respond to these inputs with behaviors that help them survive (1-LS1-1).

Performance Expectation:

1-LS1-1. Use materials to design a solution to a human problem by mimicking how plants and/or animals use their external parts to help them survive, grow, and meet their needs.

Third Grade Next Generation Science Standards

Disciplinary Core Idea:

PS2.B: Types of Interactions - Electric and magnetic forces between a pair of objects do not require that the objects be in contact. The sizes of the forces in each situation depend on the properties of the objects and their distances apart and, for forces between two magnets, on their orientation relative to each other (3-PS2-3), (3-PS2-4).

Performance Expectations:

3-PS2-3. Ask questions to determine cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other.

3-PS2-4. Define a simple design problem that can be solved by applying scientific ideas about magnets.

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SOURCES:
https://doi.org/10.1038/428909a
https://doi.org/10.1016/j.cub.2006.11.062
https://doi.org/10.2307/1542138
https://doi.org/10.1098/rspb.2014.3129
https://doi.org/10.1146/annurev-neuro-072116-031312
https://doi.org/10.1371/journal.pbio.2003234
https://pubmed.ncbi.nlm.nih.gov/9317267/
https://doi.org/10.1016/S0959-4388(00)00235-X
https://doi.org/10.1007/978-1-4613-0313-8_21
More Info About Sea Turtles and Magnetoreception:
https://conserveturtles.org/information-sea-turtles-general-behavior/
https://www.nationalgeographic.com/news/2015/1/150115-loggerheads-sea-turtles-navigation-magnetic-field-science/
https://www.ks.uiuc.edu/Research/magsense/ms.html

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