The Changing Tides-- Pre-Test

Lesson

Please answer these multiple choice questions to the best of your abilities. We will find out what you know about tides! Just select the best answer to each question from what you know now. If you are not sure about an answer, make your best educated guess.

1. How often does sea level change?
a. Sea level is always changing.
b. Sea level changes with the seasons.
c. Whenever there is a major shift of the Earth's axis, the sea level changes.
d. Never, sea level remains constant.

2. The cyclical rise and fall of sea level is called _________.
a. wave surge
b. tides
c. eddies
d. average sea depth