Show:
Vocabulary
Sound
Volume
Pitch
Echos
100

The lowest point in a wave

What is trough?

100

Sound cannot travel through this 

What is a vacuum

100

If you are at a park and there a man playing a guitar on a bench, how could you increase your perceived volume?

What is move closer to it?

100
A shorter guitar string vibrates more quickly and makes a _____________ pitch.
What is high pitch?
100

A place with a good echo

mountain, etc. 

200

The highest point in a wave.

What is crest?

200

Sound can travel faster through solid, liquid or gas

What is solid

200

What decibel causes hearing loss

85 decibels. 

200
A thicker string vibrates more slowly and makes a _______ pitch.
What is low pitch?
200

an animal uses this to move around when they cannot see

echolocation

300

the distance between the same point on two waves.

What is wavelength

300

Sound can travel faster through hot or cold material

hot

300
The best way for a drummer to increase the volume of his or her drumming would be to_____?
What is hit the drum with more force?
300

What cup in a water xylophone has the lowest pitch

the most full one

300

How can you prevent echos in your house?

Hang pictures, rugs, add furniture

400

The two parts of a longitudinal wave

compression and rarefaction 

400
When two cans are attached by a string and one person speaks into one end, someone else will hear on the other end. What makes this happen?
What is the vibrations are carried on the string.
400

This part of the wave affects its volume

What is amplitude. 

400

This part of the wave affects the pitch. 

What is frequency

400

What does SONAR stand for?

sound navigation and ranging. 

500

The two types of waves

longitudinal and transverse

500

What vibrates so that humans can talk

vocal chords

500

What happens to volume if the pitch is increased?

What is it stays the same.

500

A firetruck is driving towards you so you hear a ______ pitch because of the _________________. 

higher, doppler effect

500

the transfer of energy by a wave to the medium through which it travels until it disappears

absorption