Force and Motion - 3rd Grade

Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What are balanced forces?

Back

Balanced forces are equal in size and opposite in direction, causing no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are not equal and can cause an object to start moving, stop moving, or change direction.

Front

What is a push?

Back

A push is a force that moves an object away from you.

Front

What is a pull?

Back

A pull is a force that brings an object closer to you.

Front

What is gravity?

Back

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

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

What is motion?

Back

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

Front

What is an example of a magnetic force?

Back

A magnet attracting paper clips is an example of a magnetic force.

Front

What happens when a force acts on an object?

Back

When a force acts on an object, it can change the object's speed or direction.