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Mini-Quiz: Gravitation Causes Tides on Earth

by Ron Kurtus (7 September 2010)

Take this Mini-Quiz to check your understanding of the lesson material.



1. Why does a high tide seem to go further up the shore in some places?

Those places are closer to the Moon

It is an optical illusion

It depends on the inclination of the shoreline

2. What happens when the Moon's gravitation pulls on the ocean?

It causes bulges in the shape of the ocean on both sides of the Earth

It pushes the Earth away from the water

Nothing, unless the Sun is also involved

3. When do spring tides occur?

Only in the spring

Every two weeks

Twice a day

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.


Sometimes you have to go with the flow


Resources and references

Ron Kurtus' Credentials

Websites

Saltwater Tides - Predictions of tides in various U.S. states

Moon Tides - How the Moon affects ocean tides

Tides - Wikipedia

Ocean Tides - NASA - Ocean Motion

Gravitational Tides - Astronomy 221 - Case Western Reserve University

Gravitation Resources

Books

Top-rated books on Tides

Top-rated books on Gravitation


Questions and comments

Do you have any questions, comments, or opinions on this subject? If so, send an email with your feedback. I will try to get back to you as soon as possible.


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