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

Lesson 9.5 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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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.
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total solarpartial solartotal lunar

A
total solar
B
partial solar
C
total lunar
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new moon✔ full moonwaning gibbous moon

A
new moon
B
✔ full moon
C
waning gibbous moon
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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.
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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
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Use the drop-down menus to choose the correct answers about tides and phases of the moon.

Answers:
Earth sees a full moon in .:A
Neap tide occurs in .:D and B
Earth sees a third quarter moon in .:D
Tide levels are highest in .:A and C
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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
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A BC✔ D

A
A
B
B
C
C
D
✔ D
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✔ 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
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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.
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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.
140265

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.
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Study the photo and use the drop-down menus to fill in the correct answers about eclipses.

Answers:
The image shows a eclipse.:total lunar
The body seen in the sky is a .:full moon
When this type of eclipse occurs, what are the relative positions of the Sun, Earth, and the moon?:Earth is between the Sun and the moon.
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Use the drop-down menus to choose the correct answers about tides and phases of the moon.

Answers:
Earth sees a full moon in .:A
Neap tide occurs in .:D and B
Earth sees a third quarter moon in .:D
Tide levels are highest in .:A and C
140269

Explain what causes spring and neap tides, and identify the phases of the moon when these tides occur. Be sure to mention what happens to Earth’s crust, ocean water, and the positions of the Sun, Earth, and the moon.

Answer:

Spring tides occur when the moon is full or new. Earth, the moon, and the Sun are in a line. The moon’s gravity and the Sun’s gravity pull Earth’s crust and ocean water. This causes tides to be higher than normal. At neap tide, the moon and the Sun are at right angles to each other. This happens during the first and third quarters of the lunar cycle. At neap tide, the Sun’s gravity and the moon’s gravity are balanced. High tides are lower; low tides are higher.

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

A
What causes spring and neap tides
B
The phases of the moon when spring and neap tides occur
C
What happens to water
D
The positions of the Sun, the moon, and Earth during spring and neap tides

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