Sound Quiz 2

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

Sound is a form of? 

• energy
• pitch
• volume

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

This is what you get when soundwaves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

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 causes an echo?

• sound waves bouncing off large, hard surfaces
• sound waves bouncing off carpet
• sound waves bouncing off tables and chairs
• you repeating yourself

Sound is caused by? 

• light
• vibrations
• echoes
• pitch