Sound Waves
Sound is a form of _____ that you can hear.
Energy
Sound is caused by a moving object that is _____.
Vibrating
How loud or soft a sound is
Volume
Sound waves travel at the same/different speeds through different types of matter.
Different
Large, hard, smooth surfaces ______ sound.
Reflect
How high or low a sound is
Pitch
Rough, soft, uneven surfaces _______ sound.
Absorb
The characteristic of sound that helps us identify different people's voices or different kinds of instruments.
Quality
From how many directions do sound waves move out from a source?
All directions
A sound wave that reflects clearly enough to be heard again is called ______.
An echo
Which characteristic of sound depends on how much force is used to make an object vibrate?
Volume
Which state of matter does sound travel fastest through? Slowest?
solid, gas
What are the three ways you can make an object vibrate?
Which characteristic of sound depends on how fast the source of the sound is vibrating?
Pitch