Vocabulary
Sound waves "disappearing" into carpet is an example of this.
What is an absorption?
Sound is produced when objects ____________.
Vibrate
a. loud sound
b. low pitch
c. high pitch
d. soft sound
b. low pitch
A series of compressions and rarefactions going through air is an example of this.
What is a sound wave?
What is an echo?
Sound needs a __________ to travel through.
Medium
DOUBLE POINTS
List the three bones in the ear AND what they are called together.
Group Name: Ossicles
Bones: Hammer, Anvil, Stirrup
It is related to frequency.
What is pitch?
What is frequency?
how fast something vibrates (frequency) is related to the ___________ of the sound.
pitch
Greg struck a tuning fork and brought it near a sheet of aluminum foil. What will happen to the foil?
a. it will get warm.
b. it will tear.
c. it will get bright.
d. it will vibrate.
From crest to crest OR trough to trough.
What sound needs or else it cannot travel.
What is a Medium?
Fast Vibration = ______ Pitch
high
amplitude is related to ________ and frequency is related to ________.
volume; pitch
Can sound travel through outer space? Why?
No. Space is a vacuum and does not have a medium.
How loud a sound seems.
What is amplitude?
I will accept volume for the game. Amplitude is the quiz answer.
quiet/low
A scientist is recording footage of a hummingbird and an eagle flying. The hummingbirds wings flap much faster than the eagles. When she listens to the recording, what will she most likely discover?
a. The eagle's wings make no sound.
b. The hummingbird's wings produce a lower pitch.
c. The hummingbird's wings make no sound.
d. The eagle's wings produce a lower pitch.
We know that how fast sound travels depends on how close the particles are in the medium it is traveling through. Rate the following by putting a 1 next to the fastest, a 2 next to the second fastest, and a 3 next to the slowest.
___ Liquid ___ Solid ___ Gas
2- liquid 1- solid 3- gas