Unit 6 Test - Moon Phases

1. Students used pictures of the Sun, Earth, and Moon to model positions during tides.

Which of

the following diagrams best represents a spring tide?

• 
• 
• 
• 

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A student is recording the moon's phases every night for one month. From the new moon phase to the full moon phase, the student should see-

• a decreasing amount of the lighted side of the moon

• an increasing amount of the lighted side of the moon.

• the same amount of the lighted side of the moon.

• the same amount of the dark side of the moon.

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The model above is set up to show how a lunar eclipse occurs. What is the greatest limitation of this model?

• The lightbulb is standing straight up instead of tilted on an axis.

• Comparative sizes and distances are inaccurate.

• The shadow is being cast in the wrong direction.

• The heat released is much less than that released by the sun.

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The diagram shows the orbit of the moon around Earth. Between which, two points will the moon appear to change from a new moon to a quarter moon?

• Q and R

• R and S

• S and T

• T and Q

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The diagram above shows the moon orbiting Earth. An observer on Earth sees different phases on different dates. Which of the following dates is closest to the new-moon phase?

• April 23

• April 27

• May 8

• May 16

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The series of pictures shows a view of the moon from the same position on Earth on different days of one month. The pictures show that on certain nights the moon —

• moves away from Earth

• receives less light from Earth

• is unlit as viewed from Earth

• makes half a turn around Earth

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Three students use their bodies to show how the sun, the moon, and Earth are aligned during the phases of the moon. What is one limitation of this model?

• It cannot show the relative motion of the three objects.

• It cannot be safely used to show gaseous objects such as the sun.

• It cannot show how the sun’s light affects the moon’s appearance.

• It cannot be used to show the direction of Earth’s revolution.

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The gravitational pull of the moon has a great effect on the ocean tides found on Earth. How does the daily tidal pattern occur on shorelines?

• The pattern of daily tides occurs regularly every hour

• Tides move in and out on a regular pattern of every 12 hours

• The height of the ocean tides occur in a pattern of every six hours

• One day, the ocean tides are high, and then the next day the area will experience low tides

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Using the lunar cycle diagram, at which two points will the oceans on earth experience spring tides?

• Points A and E

• Points B and H

• Points C and G

• Points D and F

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The Gulf of Mexico experiences high and low tides twice each day. Which of the following is most likely the cause?

• The force of the Earth spinning on its axis

• The gravitational pull of the Moon on the Earth

• The upward pressure of volcanoes erupting on the ocean's floor

• all of the above

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