How Sound Travels
Good Vibrations
Sound Discrimination
Sound Vocabulary
Bonus
100
What are the waves called that carry sound?
Sound Waves
100
A vibrating source creates what?
Sound, Sound Waves, or Vibrations
100
What sound is typically lower a girl's voice or a boy's voice?
A boy's voice
100
What word tells how high or low a sound is?
Pitch
100
What do humans use for sound receivers?
EARS!
200
Sound travels slowest through what medium?
Air
200
Sound comes from a sound source to a sound ________.?
Receiver
200
Why would it be difficult to distinguish the sound of a dropped penny and the sound of a dropped car key?
Because they have similar sound properties
200
Define volume?
How loud or soft a sound is
200
What are molecules?
A tiny particle.
300
Sound travels fastest through what medium?
Solid
300
For an object to become higher in pitch it must first become _________ in length?
shorter
300
Why would sound discrimination be important if you were in a crowded room looking for your mother?
You can tell her voice apart from the other voices
300
What are vibrations?
The shaking that produces sound
300
Which type of pitch creates more vibrations?
High Pitch
400
Why would there be no sound in space?
Because there is no medium for the sound to travel through
400
Which creates a higher pitch a low frequency or a high frequency?
High Frequency
400
Why would it be easy to tell the difference between a door bell and a knock on the door?
They have different sound properties
400
Define medium
The object a sound travels through
400
If you're making a note by filling a glass with water and striking the glass with a spoon would you add more or less water to make a high note?
Less Water
500
If you were swimming with a friend, and your friend was under water while you were above water who would hear the sound of a passing boat first?
The friend under water
500
Which frequency produces long spread out sound waves?
Low Frequency
500
During our sound field trip in what ways were the outside sounds different from the inside sounds?
Several answers possible. More man made inside than outside
500
What word tells the rate at which sound waves travel?
Frequency
500
Explain why sound travels faster through a solid than through a liquid.
Because the molecules are closer together in a solid.
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