Sound

A series of vibrations you can hear

• sound waves
• pitch
• sound
• speed of sound

Measure of sound energy reaching your ears

• amplitude
• compression
• loudness
• wavelength

Area where air is pushed together by vibrations

• speed of sound
• compression
• pitch
• sound waves

Moving areas of high and low pressure

• sound waves
• loudness
• amplitude
• sound

Rate of travel for a sound wave

• wavelength
• pitch
• compression
• speed of sound

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

The measure of energy a wave carries

• sound wave
• wavelength
• amplitude
• pitch

Measure of the distance from the point on one wave to the same point on the next wave.

• loudness
• wavelength
• compression
• pitch

Which of the following best describes how a sound wave travels?

• a branch moving back and forth
• a car speeding up and down hills
• a baseball hit by a bat
• a marble dropped in a bowl of water

The pitch of a stringed instrument can be affected by 

• an object called a hammer
• the size of a player's fingers
• the length of its strings
• how hard it is struck or plucked