Gr. 4 - Sound Energy

The height of a sound wave is called its:

• amplitude
• wavelength
• width
• pitch

A sound's ___ is a measure of the distance from the tip of one wave to the next (how wide the waves are).

• amplitude
• wavelength
• pitch
• loudness

All sounds are made by ____ objects.

• warm
• cold
• reflecting
• vibrating

Sound is a kind of energy that travels in ___.

• waves
• currents
• wires
• groups

___ is a measure of how high or low a sound is.

• pitch
• amplitude
• temperature
• length

The farther away you are from a sound, the ___ the sound will be.

• softer
• louder
• higher
• lower

___ is a measure of the amount of sound energy that reaches your ears.

• echo
• pitch
• waves
• amplitude

A sound reflection, in which sound bounces off of an object, is called an ___.

• eardrum
• echo
• refraction
• sound wave

You hear sound when the ___ inside your ear vibrates.

• eardrum
• skin
• blood
• bones

What can sound NOT travel through?

• solids
• liquids
• gases
• space