Unit 2 Review Challenge!

What would most likely happen if Earth were not tilted on its axis?

• There would be no seasons on Earth.

• Days would be longer in both hemispheres.

• There would be no lunar eclipses or solar eclipses.

• It would take less time for Earth to revolve around the Sun.

Answer explanation

It is Earth's tilt that causes sunlight to be more concentrated on the southern or northern hemisphere.

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NGSS.MS-ESS1-1

The picture shows a diagram of the Earth on its axis.

Which position of Earth is correct if the state of Georgia is experiencing spring?

• Z

• W

• X

• Y

Answer explanation

During spring and fall, both the northern and southern hemisphere receive the same amount of sunlight, since the direct sunlight is more concentrated at the equator. Spring also comes after winter (when we receive more indirect sunlight), so if you find the position for winter you can follow the orbit to find spring.

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What will the result be if Earth's shadow appears on the surface of the Moon?

• A lunar eclipse that occurs when Earth is between the Sun and the Moon.

• A solar eclipse that occurs when the Moon is between Mars and Earth.

• A lunar eclipse that occurs when the Moon is between the Sun and Earth.

• A solar eclipse that occurs when Earth is between the Sun and the Moon.

Answer explanation

When Earth's shadow crosses the Moon, that is called a lunar eclipse.

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NGSS.MS-ESS1-1

A total eclipse of the sun can only occur during which phase of the moon?

• new moon

• waxing gibbous

• waning gibbous

• full moon

Answer explanation

A solar eclipse is only possible when the moon is between the Sun and the Earth.

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A month on Earth is based roughly on the

• cycle of moon phases.

• rotation of Earth on its axis.

• time between equinoxes.

• revolution around the sun.

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The climate of an area is most affected by the amount of

• animals in the region.

• moonlight it receives.

• people in the region.

• sunlight it receives.

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If the tilt of Earth's axis were to change to be more straight up and down, what would happen to the climate in Canada?

• the winters would become cooler and the summers would become warmer

• the winters would become warmer and the summers would also become warmer

• the winters would become cooler and the summers would also become cooler

• the winters would become warmer and the summers would become cooler

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NGSS.MS-ESS2-6

Read the passage about Hadley.

Hadley and her parents live in Georgia and are planning a vacation to Maine for spring break.

Why would Hadley's mom tell her to pack warm clothing for a spring time trip north to Maine?

• Because Maine is farther north in the Northern Hemisphere and gets less direct sunlight, it will be colder than Georgia.

• Because Maine is farther north in the Northern Hemisphere and gets more direct sunlight, it will be colder than Georgia.

• Because Maine is farther north in the Northern Hemisphere and gets less direct sunlight, it will be warmer than Georgia.

• Because Maine is farther north in the Northern Hemisphere and gets more direct sunlight, it will be warmer than Georgia.

Tags

NGSS.MS-ESS2-6

Which of the following pictures shows the position of Earth, the Moon, and the Sun during a solar eclipse?

• 
• 
• 
• 

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NGSS.MS-ESS1-1

In order to demonstrate the alignment of the Sun, Earth, and the Moon during a lunar eclipse, a student sets up a model as shown.

Which of these objects represent which celestial bodies?

• The lamp represents the Sun; the basketball represents the Moon; and the ping pong ball represents Earth.

• The lamp represents Earth; the basketball represents the Moon; and the ping pong ball represents the Sun.

• The lamp represents the Moon; the basketball represents Earth; and the ping pong ball represents the Sun

• The lamp represents the Sun; the basketball represents Earth; and the ping pong ball represents the Moon.

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NGSS.MS-ESS1-1