AnswersDRHS GA-GSE Earth SystemsUnit Test

Unit Test — Unit test Answers

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Which statement explains how planets move in orbit as supported by Newton’s first law of motion?

A
Planets can change the direction of their own orbital path.
B
Planets can change orbits due to their inertia.
C
Planets in motion will have a constant speed unless acted on by an outside force.
D
Planets with a greater mass will orbit more quickly than smaller planets.
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Which type of star system has the most stars?

A
open cluster
B
globular cluster
C
eclipsing binary
D
binary star system
23

When two objects are near each other, how would increasing one object’s mass affect it?

A
The shape of the object would change.
B
The weight of the object would decrease.
C
The gravitational force of the object would increase.
D
The mass of the object would be stronger than gravity.
24

What is some of the evidence used by Galileo to support Copernicus’s model and disprove Aristotle and Ptolemy’s?

A
Each planet spins in an epicycle.
B
Planets appear to move backward.
C
Jupiter has moons orbiting it.
D
The religious and cultural beliefs supported this model.
25

Which characteristic is common to all inner planets?

A
rings
B
moons
C
rocky surfaces
D
slow revolutions

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