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Crash Course
Tides
Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions.
Monterey Institute for Technology and Education
National Oceanic and Atmospheric Administration: Tides
This animation on tides is very thorough, explaining the cause of tides and the adaptations organisms must have to survive in the intertidal zone. An additional simulation will test your understanding of tides.