This means the power to do work.
Energy

This is a type of energy that lets us see.
Light

This is energy that moves in waves and allows us to hear.
Sound

This describes a sound that is low and quiet.
Soft

This is an invisible wave caused by vibrations that move sound.
Sound wave

This is what you see when light bounces off different objects.
Color

This is a loud sound that a person might hear.
Noise

This describes a sound that is strong and noisy.
Loud

This is a fast movement that goes back and forth.
Vibration

This means to soak into something.
Absorb

This is how loud or how soft a sound is.
Volume

This describes the pitch of a fast-moving sound wave.
High 
This is an invisible wave that moves light.
Light wave

This means to bounce off of something.
Reflect

This is how high or low a sound is.
Pitch 
This describes the pitch of a slow-moving sound wave.
Low
