- tides are created because the earth and the moon are attracted to each other.
- the moon pulls at anything on earth to bring it closer.
- the earths holds onto everything (gravity) except water, because the water is always moving.
- 2 high tides and two low tides each day - 12 hours 25 minutes approximately between the two high tides
Different tides
- strong gravitational force when the sun and moon are aligned and very low.
- causes very high tides which is called a spring tide.
- when gravitational force is cancelled out because the sun and moon aren't aligned it causes tides that aren't so high or low, these are called neap tides.
Neap tides
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