Gravity

Quiz
•
Science
•
8th Grade
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The moon revolves around Earth. The moon travels at a speed of about 1 km/s. What keeps the moon in orbit around Earth?
gravity
magnetism
ocean tides
solar wind
Tags
NGSS.MS-ESS1-2
NGSS.MS-PS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two objects have a certain gravitational force between them. What would happen if the mass of one of the objects suddenly increased?
The mass of the other object would increase
The distance between the objects would increase.
The gravitational force of the objects would remain constant.
The gravitational force between the two objects would increase.
Tags
NGSS.MS-PS2-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are Earth, other solar system planets, and most planetary objects spherical?
erosion made by asteroids hitting the object’s surface after the object’s formation
heat received from the sun melting the object’s surface at the time of formation
pressure of atmosphere acting evenly in all directions on the object’s surface
force of gravity acting evenly in all directions around the center of mass
Tags
NGSS.MS-ESS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Planets are held in their orbit because of their large sizes as well as a certain force that acts over a distance. Which force is responsible for acting on the planets?
nuclear force
magnetic force
space force
gravitational force
Tags
NGSS.MS-ESS1-2
NGSS.MS-PS2-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The force of gravity on a person or object on the surface of a planet is called
mass.
terminal velocity.
weight.
free fall.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A person would weigh less on on the Moon than on the Earth because . . .
Moon has more mass, and therefore more gravity
Moon has less mass, and therefore more gravity
Moon has more mass, and therefore less gravity
Moon has less mass and therefore less gravity
Tags
NGSS.MS-PS2-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You weight 200 lbs on Planet A and 150 lbs on Planet B. Which planet has a larger gravitational pull?
Planet A
Planet B
Cannot tell, as the weight does not depend on gravity.
The statement is incorrect because the weight will be the same in both planets.
Tags
NGSS.MS-PS2-4
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