Games Physical Science Review

Quiz
•
Science
•
8th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
S8P3c How is an object's mass related to the force needed to accelerate the object?
Mass determines the direction of the force needed
Mass determines the kind of force needed
The greater the mass, the greater the force needed
The smaller the mass, the greater the force needed
Tags
NGSS.MS-PS2-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two objects move away from each other. What happens to the gravitational attraction between them?
It decreases
It increases
It becomes zero
It does not change
Tags
NGSS.MS-PS2-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements about gravitational fields is true?
Gravitational fields affect objects only when two objects are touching
Gravitational fields affect objects only if the objects are not in contact
Any object that has a mass is surrounded by a gravitational field
Only very massive objects, such as Earth, are surrounded by a gravitational field
Tags
NGSS.MS-PS2-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a rocket attempts to launch, its engine exerts a force downward. The rocket will not launch until the force of the engine is greater than the weight of the rocket. Why?
The forces must be equal and balanced for the rocket to move
The force of the engine must be twice as strong as the force of gravity for the rocket to move
The rocket must move at a constant velocity to take off
The force of the engine must be greater than the force of gravity to produce a net force upward.
Tags
NGSS.MS-PS2-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If an object falls far enough, it will reach terminal velocity. At this velocity, the force of air resistance is equal to the force of gravity on the object. The forces on the falling object are balanced. What will happen to the object and why?
The object will accelerate toward the ground because gravity is pulling on it
The object will hover in midair because the forces on it are balanced
The object will fall at a constant velocity because the forces on it are balanced
The object will decelerate until it reaches a full stop at the ground
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is evidence that a magnetic field surrounds a magnet?
When a paper clip is placed on a bar magnet, it sticks to the magnet
When the north poles of two magnets are brought near each other, they push apart without touching
When a magnet is placed on a metal surface, it sticks to the surface.
When you touch a metal doorknob, sometimes you receive a shock
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A magnet sticks to a table leg. Based on this information, which material could the table leg be made of?
iron
wood
copper
aluminum
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
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