Light and Sound

_________ is a form of energy that travels through the air. 

• sound
• volume
• energy
• wave

___________ is made when something vibrates

• light
• sound
• drum
• pounding

The volume of a sound is measured in units called ________

• decibels
• liters
• sound waves
• inches per minute

Sound travels through the air as waves.

• True
• False

A sound that bounces off a surface is called an ________.

• loud sound
• echo
• repeat
• quiet sound

Matter that carries sound waves is called a _________

• low
• high
• medium
• surface

The ______ of a sound depends on the medium through which it's moving.

• pitch
• vibration
• speed
• sound

the number of vibrations per second

• vibration
• volume
• pitch
• frequency

how high or low a sound is

• frequency
• volume
• vibration
• pitch

the loudness of a sound

• vibration
• pitch
• volume
• frequency