EARTH: AN INTRODUCTION TO PHYSICAL GEOLOGY

Chapter 20: Shorelines

Concept #7 Quiz

Choose the best possible answer to the following questions about Key Concept 7 "Tides."

moon2_nasa_14k_shad.jpg

1. Which of the following is NOT associated with “tides” and the causes of “tides”? [Hint]

2. Which two of the following best describe how tides form by influence of the Moon? Choose the two that apply. [Hint]

3.

Indicate the description for each label on the diagram.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through E appear on an image associated with this question.

4. Which of the following is NOT a factor in why predicting the time of high or low tide is difficult to perform with any accuracy?  

5.

Match the tide types and patterns with the appropriate description:  

Using the pulldown boxes, match each item on the left to the corresponding item at right.

A. a single high and a single low tide each tidal day
B. two high tides and two low tides each tidal day, each of equal intensity
C. two high tides and two low tides each tidal day, each of different intensity
D. caused by the combined gravity of the Sun and the Moon caused by these two and the Earth in alignment
E. when the angle between the direction of the Moon relative to the Earth is perpendicular to the direction of the Sun relative to the Earth
 

6.

Match the tidal current or feature with the appropriate description:  

Using the pulldown boxes, match each item on the left to the corresponding item at right.

A. the area affected by high and low tidal currents
B. current advances into the coastal zone as tide rises
C. deposits of sand by channelized flow of tidal currents
D. current is seaward moving as tide falls
 

7. Which of the following about the Earth’s rotational speed is correct? Choose all that apply.  

Some questions in this exercise may have more than one correct answer. And answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
 




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