Compression Waves
Sound Mediums
Humans and Animals
Instruments
Describing Sounds
100
Sound is a form of __________.
energy
100
Sound has to have __________ to travel.
matter
100
Sound vibrations that animals use to "see" their prey and locations is called ____________.
Echolocation
100
Stringed instruments produce their sound by _____________________________________.
vibrating their strings
100
The number of wavelengths in a given unit of time is called the _______________.
frequency
200
Sound is transmitted by _______________ matter.
vibrating
200
The denser the medium the _____________ sound waves travel through it.
faster
200
Dogs can hear ___________ frequency sounds.
high
200
Percussion instruments like a drum produce sound by ____________________.
striking it
200
This is an example of a ________ pitch sound.
high
300
Compression waves look like a __________.
slinky
300
Sound travels fastest through a _________ and slowest through a ________.
solid/gas
300
Whales make ________ frequency sounds.
low
300
Winds and brass instruments produce sound by ________________________.
blowing air into them
300
This is an example of a ______ pitch sound.
low
400
The part of a compression wave that is bunched up is called a _____________________.
compression
400
If an explosion were to happen in space, would we be able to hear it? Why?
No because space is a vacuum.
400
List an animal that uses echolocation.
bat, whale, dolphin
400
What is an example of an instrument with a high pitch?
violin, flute, trumpet
400
The distance between two compressions or between two rarefactions is called a ___________________.
wavelength
500
The part of a compression wave that is spread apart is called a __________________.
rarefaction
500
Think about how temperature impacts the speed that sound travels.
Sound travels fastest through __________ mediums.
warmer
500
Humans also use sound waves to determine locations. What is this called?
Sonar
500
What is an example of a low pitched instrument.an instrument with a low pitch?
drum, saxophone, tuba
500
Loud sounds have a ____________ amplitude. This means that the waves are _________.
high/tall