Force and Motion 3rd grade

Front

What is force?

Back

A force is a push or a pull that causes movement.

Front

What does mass mean in relation to motion?

Back

Mass is the amount of matter in an object. More mass means more force is needed to move it.

Front

What is friction?

Back

Friction is a force that works against the movement of two objects.

Front

What happens when forces are balanced?

Back

When forces are balanced, objects do not move.

Front

What happens when forces are unbalanced?

Back

When forces are unbalanced, objects will move in the direction of the greater force.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like the Earth pulling us down.

Front

Can you give an example of a push?

Back

Pushing a swing is an example of a push.

Front

Can you give an example of a pull?

Back

Pulling a wagon is an example of a pull.

Front

What is motion?

Back

Motion is the change in position of an object.

Front

What is an example of balanced forces?

Back

A dog pulling on a leash while a boy pulls in the opposite direction, and neither moves.