Sound
What kind of energy is sound?
Mechanical Energy
The type of matter in which sound travels the fastest.
solid
How high or low a sound is.
Pitch
This instrument category has to be plugged into a speaker or amplifier to produce sound.
Electronic instruments
True or false: Humans and animals both use sound.
True
Sound travels in what type of waves? _______.
[Not sound waves]
Compression Waves
Large objects that vibrate slowly have a...
Lower pitch
Brass and Woodwind are types of...
Wind instruments
Name an animal that uses echolocation/sound tracking.
bats, dolphins, and porpoises
Sound waves cause...
vibrations
Objects that are smaller usually have a...
Higher pitch
A violin is what type of instrument?
String
Name two ways animals use sound.
Communication, hearing, echolocation.
Is there sound in space? Why or why not?
No, because there is no medium (matter) for sound to travel through.
Which bell would make a lower pitch when rang? A 1 pound bell or a 2 pound bell?
A 2 pound bell.
How do percussion instruments produce sound?
They vibrate when they are hit.
What do humans use that is similar to echolocation/sound tracking?
sonar, ultrasound
Describe or draw a pictures of what compression waves look like.
Slinky/spring
Which jar would make a higher pitch when struck? A jar with 2 mL of water or a jar with 10mL of water?
2mL
Name 2 types of stringed instruments.
Different answers!
Name three ways humans use sound.
Communcation, hearing, SONAR, ultrasound, speakers, etc