Space Technology — Cumulative exam Answers

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Look at this image of a star cluster.

Question illustration
A
open
B
binary
C
globular
D
eclipsing
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A college student has been assigned to write captions for a new textbook on gravity and motion. This is one of the pictures from the textbook.

Question illustration
A
The moon moves toward the Sun due to gravity.
B
The moon will move away from Earth because of inertia.
C
The moon would move in a circular path if there were no forces.
D
The moon would not stay in orbit without the pull of Earth's gravity.
43

Jasmine is late to science class and misses the very beginning of notes for the day. These are Jasmine’s notes:–Round objects that orbit the Sun–Not large enough to have enough gravitational pull to clear the path of their orbit–4 known in the Kuiper Belt (Eris, Haumea, Makemake, and Pluto)–1 in the asteroid belt (Ceres)Jasmine later copied the title of the notes from a friend. What title did Jasmine most likely copy?

A
Comets
B
The Kuiper Belt
C
Asteroids
D
Dwarf Planets
44

Which rock is an example of an organic sedimentary rock?

A
iron ore
B
rock salt
C
limestone
D
sandstone
45

The image shows a cross section of a landscape and a well.

Question illustration
A
1
B
2
C
3
D
4
46

Study the image.

Question illustration
A
1
B
2
C
3
D
4
47

Existing rocks are buried and forced toward the mantle, increasing heat and pressure. This is the first step in the formation of metamorphic rocks.Which best describes the next step in the formation of metamorphic rocks?

A
Buried rocks melt deep within the mantle.
B
Lava melts underlying rocks, which crystallize into new minerals.
C
Rocks that were buried are exposed at Earth’s surface, where they are weathered and eroded.
D
Magma pockets rise, which increases heat, and minerals change due to temperature and pressure.
48

A person could float most easily in ocean water that has which characteristic?

A
warm
B
fresh
C
low mass
D
low freezing point
49

How do rock types contribute to the rate of weathering?

A
Porous minerals weather faster.
B
Harder minerals break apart more easily.
C
Minerals that dissolve easily weather slower.
D
Permeable rocks have less chemical reactions.
50

Who rediscovered Aristarchus’s model of a heliocentric solar system?

A
Copernicus
B
Galileo
C
Kepler
D
Ptolemy

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