Sound
Sound Travels
Pitch and Volume
Instruments
Uses of Sound
100

What kind of energy is sound?

Mechanical Energy

100

The type of matter in which sound travels the fastest.

solid

100

How high or low a sound is.

Pitch

100

This instrument category has to be plugged into a speaker or amplifier to produce sound.

Electronic instruments


100

True or false: Humans and animals both use sound.

True

200

Sound travels in what type of waves? _______.

[Not sound waves]

Compression Waves

200
The medium in which sound travels the slowest.
gas
200

Large objects that vibrate slowly have a...

Lower pitch

200

Brass and Woodwind are types of...

Wind instruments

200

Name an animal that uses echolocation/sound tracking.

bats, dolphins, and porpoises

300

Sound waves cause...

vibrations

300
Why sound travels through a solid the fastest.
The molecules are closer together.
300

Objects that are smaller usually have a...

Higher pitch

300

A violin is what type of instrument?

String

300

Name two ways animals use sound.

Communication, hearing, echolocation.

400

Is there sound in space? Why or why not?

No, because there is no medium (matter) for sound to travel through.

400
Why sound travels the slowest in a gas.
The molecules are farther apart.
400

Which bell would make a lower pitch when rang? A 1 pound bell or a 2 pound bell?

A 2 pound bell.

400

How do percussion instruments produce sound?

They vibrate when they are hit.

400

What do humans use that is similar to echolocation/sound tracking?

sonar, ultrasound

500

Describe or draw a pictures of what compression waves look like.

Slinky/spring

500
Does sound travel in a straight line or outward in all directions?
Outward in all directions
500

Which jar would make a higher pitch when struck? A jar with 2 mL of water or a jar with 10mL of water?

2mL

500

Name 2 types of stringed instruments.

Different answers!

500

Name three ways humans use sound.

Communcation, hearing, SONAR, ultrasound, speakers, etc