Energy, Energy Transformations, and Simple Machines

Two or more simple machines

• simple machine

• wedge

• complex machine

• inclined plane

Energy must have the ability to cause

• heat

• motion

• nonmovement

• change

A playground slide is an example of a/an _____

• inclined plane

• wedge

• pulley

• screw

A ____ machine works with one movement.

• complex

• simple

• working

• sound

Which form of energy is NOT carried by waves?

• chemical

• radiant

• seismic

• sound

Which data could be obtained from a simple machine using Newton's second law of motion?

• work

• force

• efficiency

• acceleration

The transfer of energy that occurs when force makes an object move is ___.

• kinetic energy

• energy transformation

• potential energy

• work

Which of the following increases the kinetic energy of an object?

• increasing the object's height

• increasing the object's speed

• decreasing the mass of the object

• decreasing the volume of the object

A hammer exerts which type of force in relation to the hand using it?

• a faster force

• a stronger force

• an opposite force

• no force

Energy transferred by waves moving through the ground.

• seismic energy

• potential energy

• nuclear energy

• sound energy