Topic 5, lesson 2: Earth and the Moon

When the Moon appears completely dark with no lit part visible from Earth, it is called a

• full moon

• waning gibbous moon

• old moon

• new moon

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Which conclusion can be made about the phases of the Moon?

• The Moon is full for 20 days every month.

• The phases of the Moon are random and irregular.

• The Moon moves in a regular pattern in the sky.

• October is the best month to see the Moon.

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Which is the name of the event that occurs when the Moon moves into Earth's shadow and is no longer reached by direct sunlight?

• solar eclipse

• full moon

• lunar eclipse

• crescent moon

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Which phase of the Moon immediately follows a new Moon?

• waning gibbous

• waxing gibbous

• waning crescent

• waxing crescent

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How long is one complete cycle of the Moon's phases?

• 14.5 days

• 20 days

• 7 days

• 29 days

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What causes the different phases of the Moon as seen from Earth?

• the moon's rotation on its axis

• the Earth's revolution around the sun

• the moon's revolution around the Earth

• the Earth's rotation on its axis

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When we see less and less of the Moon's lit side, it is in the________phases.

• waning

• waxing

• gibbous

• crescent

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When one space object crosses in front of another, the first object can sometimes block the view of the second. This process is called a(n)

• a. photosynthesis

• b. waxing

• c. gibbous

• d. eclipse

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There is a gravitational pull between Earth and ______ which causes tides.

• the constellations

• the Moon

• Mercury

• Mars

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When does a solar eclipse occur?

• a. when the sun blocks the moon and casts a shadow on earth

• b. when the earth blocks the sun and casts a shadow on the moon

• c. when the moon blocks part of the sun and casts a shadow on the earth

• d. when Mr. Spears drives the bus and takes students home

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