Definitions
Vibration
Sound travels faster in a gas than a liquid
False
Play each of the three sounds you can make on a Styrofoam cup + rice or beans instrument.
A wave that travels back and forth in a straight line
Longitudinal wave
It is possible to trick your ears into thinking you hear one thing when it is actually another.
True- Think of the Lion Roarer
Use the Slinky to demonstrate a transverse wave and a longitudinal wave
Transverse waves look like ocean waves. Longitudinal waves are compression, side to side waves.
The unit used to measure sound
Decibels
A person who helps people with hearing and balance problems is called an audiologist.
True
Talk for two minutes as if you were trying to convince someone they should take better care of their ears and turn the music down.
-You will damage your ears (maybe permanently)
-Etc.
The highness and lowness of sound
Pitch
ASL stands for American Signal Language
False- American Sign Language
Demonstrate how to make a flute using a straw and a pair of scissors.
Cut the tip of the straw into a point. Flatten the tip with your teeth. Blow.
The loudness and softness of sound
Volume
Spell your name using ASL (without looking at the handout if possible)
Answers will vary.