Why Does the Earth Have Tides? | The Schools' Observatory

The level of the sea rises and falls about 2 times each day. We call these changes tides. But what causes them? Use this simulation to discover the effect the Moon and Sun have on the Earth’s oceans.

Approx Duration

< 15 mins

Watch the animation carefully and read the information that appears. Press the stopwatch to speed up or slow down time. Press the magnifying glass to zoom in and out. This will show you the effect of the Sun.

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