AnswersAZ-Earth and Space Science AThe Earth-Sun-Moon System

Lesson 9.5 The Earth-Sun-Moon System Answers

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Use what you learned about tides to complete the sentences.

Answers:
The pull of gravity of causes Earth’s crust and oceans to bulge. This creates high and low tides.:the Sun and moon
tides occur when the Sun, the moon, and Earth are nearly aligned. tides happen when the Sun and the moon are at right angles to each other. Each of these special tides happens in a lunar cycle.:Spring
tides occur when the Sun, the moon, and Earth are nearly aligned. tides happen when the Sun and the moon are at right angles to each other. Each of these special tides happens in a lunar cycle.:neap
tides occur when the Sun, the moon, and Earth are nearly aligned. tides happen when the Sun and the moon are at right angles to each other. Each of these special tides happens in a lunar cycle.:twice
4

Use what you learned about Earth’s movement in space to complete the sentences using the drop-down menus.

Answers:
The Sun appears to move in the sky because , which causes day and night.:Earth rotates on its axis
Each year Earth . Its path, or , is shaped like an ellipse.:revolves around the Sun
Each year Earth . Its path, or , is shaped like an ellipse.:orbit
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In this photo, this phase of the moon is called .

Answers:
In this photo, this phase of the moon is called .:waning crescent
The next phase will be .:new moon
About 27 days from now the phase will be .:waning crescent
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Which statements about eclipses are true? Check all that apply.Earth’s shadow creates a solar eclipse.A total lunar eclipse has a reddish color.The moon moves between Earth and the Sun during a solar eclipse.A lunar eclipse occurs during a full moon.During a partial solar eclipse, half of the moon is covered by Earth.A solar eclipse occurs during a full moon.

A
Earth’s shadow creates a solar eclipse.
B
A total lunar eclipse has a reddish color.
C
The moon moves between Earth and the Sun during a solar eclipse.
D
A lunar eclipse occurs during a full moon.
E
During a partial solar eclipse, half of the moon is covered by Earth.
F
A solar eclipse occurs during a full moon.
7

Each year Earth . Its path, or , is shaped like an ellipse.

A
revolves around the moon
B
revolves around the Sun
9

The next phase will be .

A
full moon
B
new moon
C
waning gibbous
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About 27 days from now the phase will be .

A
waning crescent
B
waning gibbous
C
new moon

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