AnswersOC27 EarthSpace Sci-2001310-S2-NelsonUnit 9 Test

Unit 9 Test Answers

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The image shows Mei’s view of the Moon on Wednesday and on Friday.

Question illustration
A
a full moon
B
a quarter moon
C
a wider crescent moon
D
a thinner crescent moon
22
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Which technology is used to service space vehicles and other equipment?

A
space probe
B
space station
C
space satellite
D
space observatory
23

Siobhan cut out a circle of cardboard to make a model of the Moon. What could she draw on the cardboard to represent features of the Moon?

A
small circles to represent craters
B
straight lines to represent riverbeds
C
large dark areas to represent highlands
D
large lighted areas to represent hardened lava
24

What occurs during a solar eclipse?

A
Earth is closest to the Sun.
B
There are small tides across Earth.
C
The moon’s shadow falls on Earth.
D
The moon is covered in Earth’s shadow.
25

Which unmanned craft is used to collect data about bodies in space?

A
rover
B
satellite
C
space probe
D
space station
26

Why do lunar and solar eclipses not happen every month?

A
Eclipses only occur during full and new moons.
B
Earth rotates around its axis faster than the moon.
C
The moon and Earth only travel through the penumbras.
D
The tilt of the moon’s axis does not allow for monthly alignment.
27

Dewayne reviews Kepler’s laws by making the table shown. Which label belongs in each cell of the table?

Question illustration
A
W: FirstX: SecondY: Third
B
W: ThirdX: SecondY: First
C
W: ThirdX: FirstY: Second
D
W: SecondX: ThirdY: First
28

Which object was developed to help astronomers learn more about the Sun?

A
the Parker probe
B
the Orion vehicle
C
the Curiosity rover
D
the Explorer satellite
29

Sonya is playing a board game, and each space on the board game measures 1 centimeter. She moves her game token 5 spaces up from the start position. Then she moves it 5 spaces to the left. Finally, Sonya moves her token 2 spaces down.What is the total distance the token moved?

A
2 cm
B
8 cm
C
12 cm
D
15 cm
30

Study the image.

Question illustration
A
The curve indicates the distance of Earth from other planets.
B
The curve indicates the size of Earth compared to other planets.
C
The curve indicates the orbit of Earth caused by the Sun’s gravity.
D
The curve indicates the time it takes Earth to complete one rotation.

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