4th Grade Science - Forces and Motion

A force is:
1. weight
2. a push or pull on an object
3. the motion of an object
4. an accelertation of an object
Motion is a change of
1. position
2. acceleration
3. force
4. direction
The measure of an object's change in position during a unit of time is called:
Select all that apply:
An object in motion has:
1. speed
2. direction
3. a frame of reference
4. no energy
Check which of the follwowing can be caused by acceleration:
1. change in an objects speed
2. change in the direction of an object's motion
3. an object remains at rest
4. the moon keeps orbiting the earth at a constant speed
The force that pulls objects together is called:
You are sitting in your car while your Mom drives down Providence Road at 45 miles per hour. Your motion relative to your Mom is:
1. 45 miles per hour
2. 90 miles per hour
3. 0 miles per hour
You attach your cell phone to your belt using s strip of velcro. The force that keeps the strip of velcro from sliding apart is called:
All matter is made up of tiny particles called:
Which of the following atomic particles has the samllest mass?
1. proton
2. neutron
3. electron
Which atomic particles are held together by the 'strong nuclear force'?
1. elctrons
2. protons
3. neutrons
The metric unit of force is the:
Which force pulls the Earth towards theSun?
1. Friction
2. force of gravity
3. strong nuclear force
4. electric force
When the nurse wants to the measure of the force of gravity on you, she measures your:
1. speed
2. height
3. weight
4. blood pressure
If three forces are acting on an object in the same direction, you can calculate the total force by:
1. multiplying them
2. adding them
3. averaging them

4th Grade Science - Forces and Motion

Quiz