The actual part of your ear that you can touch, and which works as a funnel to channel in sound waves is called the______________.
Outer ear.
100
Define matter
Anything that has mass and takes up space.
100
Amplitude measures ____________.
Volume
100
Sound travels in __________.
Waves.
200
What is the loudness or softness of a sound?
volume
200
This connects the outer ear to the ear drum.
The auditory canal. Or sometimes called the ear canal.
200
Without matter, we can still hear sound. True or False?
False. Sound needs matter in order to travel.
200
What term goes along with pitch?
Frequency
200
Sound is produced by ______________.
Vibrations
300
What is the amount of times a sound wave vibrates per second?
Frequency
300
True or false. The ear drum actually vibrates just like a real drum.
True.
300
Gas was the best medium for sound to travel through. True or False?
False. It was the worst.
300
If you had a low amplitude voice it would sound like a ___________
Whisper
300
What are the units that measure sound called?
Decibels.
400
Define echo
A sound wave that bounces off, or reflects off a surface
400
What are the three tiny bones inside of the ear called?
Hammer, Anvil, and Stirrup
400
Which state of matter did sound travel best through?
Solid
400
If you had a low pitch voice it would sound like a _____________.
Deep voice.
400
Sound waves carry energy. True or False?
True.
500
Define the Doppler effect
The change in frequency from a moving sound wave.
500
What happens to a sound when it reaches your brain's hearing center?
The brain tells you what the sound is and where it is coming from.
500
What state of matter did sound travel best through and why? Which was the worst and why?
Solid was the best because the molecules and atoms of a solid are more compact.
Gas was the worst because the molecules and atoms of a gas are spread apart and moving.
500
How are high pitch and high amplitude different?
Pitch measures the highness or lowness of a voice, so a high pitched voice may sound like a chipmunk. Amplitude measures volume so a high amplitude voice would be someone yelling.