Mini-Quiz: Gravitation Causes Tides on Earth

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

   Those places are closer to the MoonSorry, not correct. Try another button. It is an optical illusionGood try, but not right. Select another answer. It depends on the inclination of the shorelineCorrect. You know much about tides.

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 EarthThat is Correct. You understand gravitational concepts. It pushes the Earth away from the waterOops! Wrong answer. Re-read the question and try again. Nothing, unless the Sun is also involvedSorry, not correct. Try another button.

3. When do spring tides occur?

   Only in the springOops! Wrong answer. Re-read the question and try again. Every two weeksCorrect. You know much about tides. Twice a dayGood try, but not right. Select another answer.

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