Forces & Interactions

1.

Multiple Choice

30 sec

1 pt

Which two words best describe a force?

push and pull

inside and outside

fast and slow

2.

Multiple Choice

30 sec

1 pt

______ is the amount of matter an object is made of.

mass

gravity

speed

3.

Multiple Choice

30 sec

1 pt

Which force is the rubbing of one surface against another and causes a moving object to slow down?

gravity

mass

friction

4.

Multiple Choice

30 sec

1 pt

The measure of the pull of gravity on an object is called ____.

friction

motion

weight

5.

Multiple Choice

30 sec

1 pt

An object that is not moving has NO forces acting upon it.

true

false

6.

Multiple Choice

30 sec

1 pt

Which force is acting upon an object at rest? (Example: sitting in a chair)

gravity

speed

motion

7.

Multiple Choice

30 sec

1 pt

Which of these cars travels a shorter distance?

A small car given a strong push with a lot of force.

A small car given a gentle push with less force.

A large car given a strong push with a lot of force.

8.

Multiple Choice

30 sec

1 pt

Which of these cars travels a longer distance?

A small car given a strong push with a lot of force.

A small car given a gentle push with less force.

A large car given a strong push with a lot of force.

9.

Multiple Choice

30 sec

1 pt

A boy is holding a ball. What force will start the ball rolling across a table?

push

pull

gravity

10.

Multiple Choice

30 sec

1 pt

When a ball rolls off the table, the force of _________________ pulls it to the floor.

motion

friction

gravity

11.

Multiple Choice

30 sec

1 pt

When a ball rolls on the floor, it will _________________ due to the force of friction.

speed up

slow down

push

12.

Multiple Choice

30 sec

1 pt

Which force is acting upon a tug-of-war rope?

push

magnetism

pull

13.

Multiple Choice

30 sec

1 pt

A push started a ball rolling away from a boy. That force made the ball _________________ .

speed up

slow down

stop

14.

Multiple Choice

1 min

1 pt

What happens when two north poles of a magnet are placed together?

they repel

they attract

they cancel each other out

the strength of the magnet is doubled

15.

Multiple Choice

1 min

1 pt

A north pole and a south pole will attract.

True

False

16.

Multiple Choice

1 min

1 pt

What will happen when these magnets are brought close together?

They will attract each other.

They will repel each other.

Both magnets will turn to the left

Both magnets will turn to the right

17.

Multiple Choice

1 min

1 pt

True or False: All metals stick to magnets.

True

False

18.

Multiple Choice

30 sec

1 pt

Where is the force of attraction the strongest on a magnet?

at the poles

in the middle

above the magnet

below the magnet

19.

Multiple Choice

30 sec

1 pt

What material is attracted to a magnet?

Silver

Water

Metal

Iron

20.

Multiple Choice

45 sec

1 pt

Which kind of force is happening in this picture?

balanced force

unbalanced force

magnetic force

non touching force

21.

Multiple Choice

45 sec

1 pt

What kind of force is shown in this picture?

balanced force

magnetic force

unbalanced force

non touching force

22.

Multiple Choice

30 sec

1 pt

A boy sits halfway down a grassy slope. What force stops from him sliding down?

Weight

Gravity

Friction

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