Tides go in and tides go out, but how do they relate to gravity and the moon? The video explores the relationship of gravity over distance, tidal force parameters, the battle of the bulges, and tidal lock. It connects not only the ocean tides, but also the land tides and the tides on other planets and moons.

Concepts

tides, gravity

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Additional Tags

science

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Instructional Ideas

• Graph the pattern of neap tides
• Before the video, challenge students to define spaghettification — yes, it is a real scientific term!

Classroom Considerations

• Relies on prior knowledge of gravity, the moon, and the solar system

• This video is hosted on YouTube

Pros

• Offers closed captioning in six languages
• Graphics clarify the descriptions nicely

Cons

• None

Common Core

RST.6-8.4 RST.9-10.4 RST.11-12.4