Chapter 12 Science Test

Two or more simple machines working together

• lever
• complex machines
• wedge

The energy carried by electromagnetic waves

• seismic energy
• radiant energy
• sound energy

A flat, sloped surface

• inclined plane
• lever
• pulley

A shaft attached to a wheel of a larger diameter so that both rotate together

• inclined plane
• lever
• wheel and axle

Energy that is stored in and released from the bonds between atoms

• chemical energy
• nuclear energy
• thermal energy

The conversion of one form of energy to another

• chemical energy
• energy transformation
• sound energy

An inclined plane that moves

• lever
• pulley
• wedge

The energy an object has because it is in motion

• kinetic energy
• potential energy
• seismic energy

The transfer of energy that occurs when a force makes an object move in the direction of the force while the force acts on the object

• pressure
• efficiency
• work

A principle that says that energy can be transformed from one form to another, but cannot be created or destroyed

• Law of conservation of energy
• Law of conservation of mass
• Law of conservation of momentum