A
B
C
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Pictures
100
What is the word for what we hear when something vibrates?
Sound
100
What is the unit of measurement for volume?
decibel (dB)
100
What is the word for moving quickly back and forth?
Vibration
100
What is pitch?
How high or low a sound is.
100
Which instrument makes the highest pitch?
The one on the left because smaller things make sounds with a higher pitch.
200
What does it mean to stop or reduce sound?
Soundproof
200
Name all five sense organs.
1) Ears
2) Nose
3) Tongue
4) Skin
5) Eyes
200
A thicker string vibrates slower and makes a _______ pitch.
Lower
200
A student covers their ears in a noisy classroom. What part of sound would they like to change?
Volume
(how LOUD or quiet a sound is)
200
What does this poster mean?
Space is empty. There is no medium for sound vibrations to travel though.
300
A musician is playing a drum. What can she do to change the volume of the drum?
Hit the drum harder (for a louder sound) or softer (for a quieter sound).
300
What is the source of sound on a guitar?
The strings.
300
Sound travels the fastest through which state of matter?
Solid. The molecules are closer together so the vibrations can travel faster than liquid and gas, where the molecules are farther apart.
300
Sound can travel through which states of matter?
Solid, liquid, and gas
300
What are these examples of?
Sources of sound.
400
Police sirens, fire alarms, and crying babies are all examples of what kind of pitch?
High pitch
400
How is it possible for two people to talk and hear each other using two cups and a string?
The string carries the vibrations of the person's voice.
400
A musician plays music across the park. What can you do if you want to hear it better?
Move closer to increase the volume.
400
Hitting a smaller bottle will create a _______ pitch.
higher
(smaller objects usually create higher pitches).
400
Why would a room have walls like this?
It helps absorb sounds to make the room soundproof.
500
What does sound need to travel?
A medium (some kind of material in a solid, liquid, or gas state of matter).
500
What piece of equipment can measure volume?
Sound meter
500
Why does sound travel through solid matter the fastest?
The molecules in solid states of matter are closer to each other than in liquid and gas.
500
What happens to pitch if the volume is increased?
Nothing. Volume and pitch are different aspects of sound.
500
Why do guitars have strings of different thickness (size)?
To change the pitch of the sound.
Thicker/Bigger string = lower pitch
Thinner/Smaller string = higher pitch