Force and Motion

Front

What is friction?

Back

Friction is the force that slows and stops motion between touching objects.

Front

What materials do magnets stick to?

Back

Magnets stick to iron.

Front

On which surface will a toy car travel the furthest?

Back

A toy car will travel the furthest on ice.

Front

What force stops a boy from sliding down a slope?

Back

Friction stops the boy from sliding down.

Front

What happens to friction on rougher surfaces?

Back

Rougher surfaces have greater friction.

Front

What is gravity?

Back

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

Front

What is motion?

Back

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

Front

What is a force?

Back

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

Front

What is the effect of a greater force on an object?

Back

A greater force will cause an object to accelerate more.

Front

What is the relationship between mass and gravity?

Back

The more mass an object has, the stronger the gravitational pull it has.