Unit 9 Study Guide

The Earth's axis is pointing toward the sun. What should the people living in that hemisphere expect?

• Summer

• Winter

• Day

• Night

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NGSS.MS-ESS1-1

Let's pretend that the winter solstice is about to happen. Which one of these statements is TRUE?

• Winter is ending

• We experience the longest day of the year

• We experience the shortest day of the year

• It is almost Spring time.

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NGSS.MS-ESS1-1

At position 1, how could we describe the NORTHERN hemisphere?

• It is summer because the left side of Earth is in the sunlight.

• It is nighttime because the axis is in the shadow.

• It is winter because the axis is in the shadow.

• It is winter because the axis tilts away from the sun.

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NGSS.MS-ESS1-1

In the SOUTHERN hemisphere, which Earth is experiencing winter?

• A

• B

• C

• D

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Which Earth is experiencing the vernal equinox in March?

• A

• B

• C

• D

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Seasonal changes are caused by the tilt of the Earth and ____________.

• the Earth's rotation

• the Earth's revolution

• the Earth's axis

• the Earth's equator

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

During a full moon, how much of the moon's surface can we see?

• 100%

• 75%

• 50%

• 25%

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NGSS.MS-ESS1-1

The moon looks like it changes shape in the sky sometimes. Why?

• 1.  As the moon revolves around Earth, the sun hits it differently.

• 1. As the moon rotates on its axis, we see different sides of it.

• As the moon revolves around Earth, we see it from different angles.

• 1. As Earth rotates on its axis, our view of the moon changes.

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NGSS.MS-ESS1-1

Look at the image. Which number would show as a waxing gibbous on Earth?

• 2

• 4

• 6

• 8

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NGSS.MS-ESS1-1

Look at the image. Which one would look like a waning crescent to us on Earth?

• 2

• 4

• 6

• 8

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NGSS.MS-ESS1-1