Earth Moon Sun Unit Review

Which of the following is true about the moon?

• It makes its own light.

• It does not make its own light.

• It has light colored rocks.

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Should all models be "to scale"? Think of the Mass and scale of the Sun could it fit on a screen

• Yes-otherwise it is not accurate.

• No-some things are too big or too small to see.

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What is true about the sun and the moon?

• The sun illuminates the half of the Moon that is facing it, and the other half is dark.

• The sun illuminates the entire moon and no part of it is dark.

• The Moon makes its own light and the sun doesn't have anything to do with it.

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Light from the sun travels...

• in straight lines

• unpredictably

• like a river, wherever there is an open path

• depends; it can change direction if it is bright enough

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From Earth...

• we can only see the half of the moon that is facing us

• we see the moon all the time

• we never see the moon

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Why do we see different phases of the moon?

• We see different amounts of the illuminated half of the moon because the moon moves to different positions around the Earth.

• We see different phases of the moon due to the colored rocks we see from Earth.

• We see different amounts of the Moon due to how close it is to the sun.

• We don't see different phases of the moon.

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Is there a pattern to the position of the Moon?

• Yes-because the Moon orbits around Earth.

• Yes-because the Moon gets closer or farther away from the sun.

• No-the moon appears in the sky at different times and is unpredictable.

• No-the moon never moves or changes.

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If you looked in the sky and saw a waning gibbous, when is the first time you will see a waning gibbous again?

• one month or 28 days

• one week

• two weeks

• it depends; the moon is unpredictable

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Is there ever a time that the moon will be completely dark from Earth's perspective?

• No, the moon is always half illuminated by the sun.

• Yes, always during a new moon and sometimes during a full moon when a lunar eclipse is possible.

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A moon phase that looks like a banana from Earth

• Exomoon

• Crescent moon

• Full moon

• Gibbous moon

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