Sound and Ear

Sound is caused by....

• molecules
• vibrations
• people
• space

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

What medium (solid, liquid, gas) does sound travel fastest through?

• solid
• liquid
• gas

Sound is a form of? 

• energy
• pitch
• volume

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Sound will travel slowest through which of the following forms of matter?

• milk
• desk
• air
• door

This word refers to any substance that sound can travel through.  Sound can travel through solids, liquids, and gases.

• Decibel
• Medium
• Vibration
• Oscilloscope