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WorksheetsGravity and Orbits
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Gravity pulls everything toward...
a)
The ground
b)
The center of mass
c)
The moon
d)
The Sun
2.
What are three things all planets have in common?
a)
they are spherical, they have at least one moon and they have gravity
b)
Orbit the sun, massive enough that their gravity controls all objects in the area and they are spherical
c)
they have at least one moon, they are spherical and they were made by accretion
d)
they are spherical, they orbit the sun and they have living organisms
3.
Why does Earth's surface bulge at the equator?
a)
The North Pole and South Pole push towards the center of mass
b)
Earth had a big lunch
c)
Earth's rotation creates centrifugal force
d)
Earth is confused
4.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
5.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
6.
As distance between two objects increase the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
7.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
8.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
9.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
10.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
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