Primary 3 Forces Review

A force can influence....

• the size of an object

• the strength of an object

• the movement of an object

• the gravity of an object

What does the picture show?

• Push

• Pull

The act of moving something closer.

• Push

• Pull

What are the child's feet doing?

• Pushing

• Pulling

What are the child's arms doing?

• Pushing

• Pulling

Force is measured in...

• Grams

• Centimeters

• Newtons

• Celsius

The force that pulls all objects towards the center of the Earth is

• Friction

• Magnetism

• Gravity

• Electricity

True or False: objects that are smooth have LESS friction than objects that are rough

• TRUE

• FALSE

If you are pulling a sled to the left, friction is

• pushing the sled up

• pulling the sled to the right

• holding the sled down

• making the sled slide

Does this activity require gravity?

• Requires gravity

• Does NOT require gravity