Show:
Mediums
Volume or Pitch
True or False
Source or Receiver
Vibrations
100
When you talked in the string phone what medium did the sound travel through?
What is a solid
100
Why does an adult have a lower voice than a child?
An adult has longer and thicker vocal chords.
100
True or False Short objects vibrate quickly and have a high pitch.
That is true, the shorter the object the higher the pitch.
100
A sound receiver is an object that is vibrating.
That is false, a sound receiver detects the vibration.
100
Can sound vibrations be felt?
Yes sound vibrations can be felt they feel like a buzz.
200
What must sound have to be heard?
What is a liquid, solid or gas
200
Would you hear a high or low pitch if you pluck a long string?
What is a low pitch?
200
True or False A sound source detects sound vibrations.
That is false A sound source is what is vibrating.
200
SHOW AND TELL Using a tuning fork and a cup of water show what happens when the tuning fork touches the water. Then explain what is the sound source and what is the sound receiver.
The sound source is the tuning fork and the sound receiver is the water.
200
What is vibrating when you strike a tuning fork? The air or the tuning fork?
What is the tuning fork . The air is carrying the sound to a receiver.
300
SHOW AND TELL Use the water phone and arrange the bottles from highest to lowest pitch. Then explain why you arranged the bottles this way and which bottle is the highest and which is the lowest.
The bottle with the least amount of water has the highest pitch and the bottle with most amount of water has the lowest pitch.
300
SHOW AND TELL Using a string beam show how to make a high pitch and a low pitch. Then explain why the pitch is high and low.
The longer string will make the low pitch and the shorter string will make a high pitch.
300
True or False Sound is louder and clearer when it travels through a solid like wood.
That is true, when sound travels through a solid like wood it is louder.
300
If you strike a drum what is the sound source?
The sound source would be the material that is stretched over the top of the drum.
300
SHOW AND TELL Using the tone generator make the beans bounce up and down? Then explain what is making the beans move.
The beans are moving because of the sound vibrations made by the tone generator.
400
What medium does sound travel through the BEST?
What is a solid?
400
What tool can be used to amplify sound?
What is a megaphone.
400
True or False Long objects vibrate slowly and have a low pitch.
That is true, the longer the object the lower the pitch.
400
Is a megaphone a sound amplifier or a sound receiver?
A megaphone is both a sound amplifier and a sound receiver.
400
What is a sound receiver?
A sound receiver is something that detects vibrations.
500
Why is it possible to hear voices while swimming underwater at the pool?
You can hear sound under water because sound travels through that medium.
500
What is the difference between pitch and volume.
Pitch tells how high or loud a sound is Volume tells how loud or quiet a sound is
500
Objects can be identified by the sound they make when dropped.
That is true, you can tell what has been dropped by the sound it makes.
500
Give an example of a sound source and a sound receiver found on the human body.
Ears are sound receivers the voice is a sound source.
500
When a long string is plucked what speed is the vibration?
What is slow.