Earth Moon and Sun Amplify Chapter

How does light travel?

• Light travels like a river, wherever there is an open path.

• Light travels in straight lines only.

• Light travels in unpredictable ways.

• It depends; if the light is bright enough it can change direction.

Which of these things is true about the Moon?

• The Moon is always moving around Earth in a circle.

• The Moon is always in the same position in Earth’s sky.

• The Moon is always moving in many changing patterns around Earth.

• The Moon is always moving back and forth across Earth’s sky.

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The Moon does not make its own light. The sun illuminates the Moon.

• TRUE

• FALSE

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The sun illuminates the entire Moon so that no part of it is ever dark.

• TRUE

• FALSE

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Leticia is a space scientist who made this diagram of the Moon and Earth as seen from above (top view), with sunlight coming from the left, as shown by the arrows. Why does Leticia’s diagram show that it’s brighter on the left half of the Moon?

• Because there is a shadow from Earth falling on half of the Moon.

• Because the Moon has some lighter-colored rock and some darker-colored rock

• Because half of the Moon that is facing the sun is lit by the sun, and the other half is dark.

• Because as the Moon gets closer to the sun more of it is lit by the sun,

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Shira looked up one night and saw a full moon. How long will it be before she can see a full moon again?

• About one week.

• About one month.

• There is no way to tell because the Moon’s pattern is always changing.

• It could be two weeks or a month, depending on what time of year it is.

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We see different phases of the Moon because the sun's light changes throughout each month.

• TRUE

• FALSE

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Tania went outside and made two observations of the Moon that were several days apart. Her observations are shown above. The light part of the Moon appeared to get larger over time. Why did this happen?

• The Moon moved so that Tania was able to see more of the half that faces the sun.

• The Moon moved closer to the sun so more sunlight reached the Moon’s surface.

• The Moon rotated so that more of the light-colored rock on the Moon’s surface faced Earth.

• Earth’s shadow moved and was blocking less of the Moon so Tania was able to see more of it.

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Name the moon phase

• waning crescent
• waxing crescent
• waning gibbous
• waxing gibbous

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Name the moon phase

• waning crescent
• waxing crescent
• waning gibbous
• waxing gibbous

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