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Gravity In The Universe
Test Description: Use this to study for your gravity quiz. You also need to be able to explain why the Earth orbits the sun.
Instructions: Answer all questions to get your test result.
1) What is gravity?
A
upward force
B
downward force
C
force of attraction between objects
D
force of motion
2) What TWO factors affect the amount of gravitational pull?
A
mass and matter
B
mass and volume
C
mass and distance
D
mass of the planet and mass of the object
3) Which of the following has the most gravity?
A
the moon
B
the Earth
C
your pencil
D
Jupiter
4) On which of the following would you weigh most?
A
Mercury
B
Mars
C
Earth
D
the moon
5) Why does the sun's gravity affect us more than other larger stars?
A
It is a yellow/orange star.
B
It is bigger.
C
It has more density.
D
It is closer.
6) The law of inertia says _____.
A
an object in motion stays in motion until acted on by an outside force.
B
all people are created equal.
C
For every action, there is an equal and opposite reaction.
D
energy cannot be created or destroyed; it only changes form.
7) A ____ is a place where gravity is so strong, even light can't escape.
A
comet
B
solar nebula
C
star
D
black hole
8) What is the Milky Way Galaxy orbiting?
A
a solar nebula
B
the universe
C
the sun
D
a black hole
9) Objects on Earth would fall ______ they would on the moon.
A
None of these. The moon has no gravity.
B
at the same speed
C
slower than
D
faster than
10) The speed of a falling object is based on the mass of _____.
A
the moon
B
the Sun
C
the Earth
D
the object
*select an answer for all questions
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