We learned that ocean tides are related to the gravitational pull of the moon. While the Earth's gravity keeps water from floating off of the surface and into space, the moon's gravity creates just enough pull on ocean water when the moon's revolution around the earth brings it close to the water, to create a bulge in the water which is what creates the tides. Above you will see an art project that illustrates the pull of the moon to create the tides, and below you will see a short video of an experiment we did which also illustrate how the tides work.
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