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

The Earth-Sun-Moon System Answers

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1
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To return Earth to normal, which action should the heroine of the story take?

A
She should get the Sun to travel around Earth again.
B
She should make Earth start moving around the Sun.
C
She should get Earth spinning on its axis again.
D
She should get the shape of Earth’s orbit back to normal.
2
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new moon✔ full moonwaning gibbous moon

A
new moon
B
✔ full moon
C
waning gibbous moon
3

The Sun is between Earth and the moon.The moon is between Earth and the Sun.✔ Earth is between the Sun and the moon.

A
The Sun is between Earth and the moon.
B
The moon is between Earth and the Sun.
C
✔ Earth is between the Sun and the moon.
4

✔ A and CB and CB and AD and A

A
✔ A and C
B
B and C
C
B and A
D
D and A
5

Which statements about the moon’s phases are true? Check all that apply.The same side of the moon always faces Earth.The moon shines because it reflects light from Earth.A new moon occurs when the Sun shines on the side of the moon not facing Earth.The waning gibbous and waning crescent occur immediately before the full moon.During the waxing phases of the moon, the side lit by the Sun is not facing Earth.A full moon happens when the Earth is between the Sun and the moon.

A
The same side of the moon always faces Earth.
B
The moon shines because it reflects light from Earth.
C
A new moon occurs when the Sun shines on the side of the moon not facing Earth.
D
The waning gibbous and waning crescent occur immediately before the full moon.
E
During the waxing phases of the moon, the side lit by the Sun is not facing Earth.
F
A full moon happens when the Earth is between the Sun and the moon.
6

total solarpartial solartotal lunar

A
total solar
B
partial solar
C
total lunar
7

The tides would disappear.The tides would be lower.✔ The tides would be higher

A
The tides would disappear.
B
The tides would be lower.
C
✔ The tides would be higher
8

✔ ABCD

A
A
B
B
C
C
D
D
9

Explain the difference between rotation and revolution. Then use these terms to explain how Earth, the moon, and the Sun move relative to one another.

Answer:

Rotation is the spin of an object on its axis, while revolution is the movement of one object around another in an orbital path. Earth rotates on its axis about once every 24 hours and revolves around the Sun once every year. Similarly, the moon rotates on its own axis and revolves around the Earth approximately every 27.3 days.

10

A and BB and CC and A✔ D and B

A
A and B
B
B and C
C
C and A
D
✔ D and B
11

What did you include in your response? Check all that apply.

A
Rotation is the movement of a body on its axis.
B
Revolution is movement of one body around another.
C
Earth rotates on its axis and revolves around the Sun.
D
The moon rotates on its axis and revolves around Earth.
12

A BC✔ D

A
A
B
B
C
C
D
✔ D

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