Science Chapter 2 Test Review

Shade cast by an object in the path of light.

• gravity

• friction

• shadow

• wave

The rate at which the speed or direction of motion of an object changes over time.

• net force

• acceleration

• uniform motion

• gravity

Two forces of equal strength that combine to act on the same object but in opposite directions.

• combined force

• net force

• contact force

• balanced

The force of attraction between any two objects.

• gravity

• friction

• balanced

• inertia

A push or pull that acts on an object.

• contact force

• force

• combined force

• balanced

The form in which light energy travels.

• shadow

• force

• inertia

• waves

Two forces acting together in the same direction.

• balanced

• net force

• combined force

• contact force

The tendency of an object to resist any change in motion.

• gravity

• inertia

• light

• force

Motion where the speed and direction do not change.

• balanced

• acceleration

• uniform motion

• inertia

A force that requires two pieces of matter to touch.

• balanced

• non-contact force

• gravity

• contact force