Sound

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 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

Without matter, sound waves could not travel.

• True
• False

how high or low a sound seems

• pitch
• patch
• pihment
• scream

A note is played on a guitar.  Next, a lower note is played on the guitar.  Which of these statements describes the lower note?

• Both notes vibrated at the same speed.
• The second note vibrated slower.
• The second note vibrates at a higher frequency.
• The second note vibrated faster.

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

What happens to the sound an object makes when the speed of vibrations decreases (slow down)?

• its volume will increase
• its pitch rises
• its pitch becomes lower
• its volume decreases

Sound is a form of? 

• energy
• pitch
• volume

What pitch does a violin make? 

• high
• low

What pitch does a tuba make? 

• high
• low