Force and Motion - 3rd Grade

Front

What is a force?

Back

A force is a push or pull on an object.

Front

What is an example of a pull?

Back

An example of a pull is when you tug on a rope.

Front

What does it mean to push something?

Back

To push something means to move it away from you.

Front

True or False: A force is needed to start or stop an object.

Back

True

Front

What is a balanced force?

Back

Balanced forces are equal in size and opposite in direction, resulting in no movement.

Front

What is an unbalanced force?

Back

Unbalanced forces are not equal, causing an object to move in the direction of the greater force.

Front

What happens when you apply a force to an object?

Back

The object may start moving, stop moving, or change direction.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

Can an object be in motion if no forces are acting on it?

Back

No, an object cannot be in motion without a force acting on it.

Front

What is an example of a push?

Back

An example of a push is when you shove a door open.