The cosmic tug of war
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The Sun enters the dance
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Coastal shapes and local rhythms
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Tides and the web of life
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YOUR GOAL
Master of Why the ocean has tides
nic Ocean Tides and the Moon
The Moon pulls the ocean high (pulls it high!) / Keeping coastal life alive (keep it alive!)

nic Modern tidal power stations capture the kinetic energy of moving water to generate renewable electricity.

nic Early humans used the predictable rhythm of tides to trap fish and power early industrial mills.
Moon power: Tidal energy is the only major source of renewable energy on Earth powered by the Moon's gravity instead of the Sun.
The area of a seashore between the high and low water marks. In Olympic National Park, these daily tidal cycles sustain diverse communities of sea stars and anemones.
During which geological period did massive tides potentially help vertebrates transition from sea to land?
What historical machines used the rising and falling tide to grind grain during the Middle Ages?
What is the coastal area called that is exposed to air at low tide and underwater at high tide?

