Vocabulary
energy that is made up of vibrations and can be heard
sound
pitch is how _?_ or _?_ sound is
high; low
volume is how _?_ or _?_ a sound is
loud or soft
a back and forth movement that can be felt
vibrations
Which will have a higher pitch: a thin rubber band or a long rubber band?
a thin rubber band
A child at a birthday party can barely hear the music from the speakers. What can the child do to hear the music better?
how loud or soft sound is
volume
an object's _?_, or tightness, can change the pitch
tension
Which would make a louder volume: a cat's meow or a car horn?
car horn
how high or low sound is
pitch
tighten or loosen the strings
How would you make a softer volume on a drum?
hit it with less force
when sound bounces off an object it create a(n) _?_
echo
What three things can change the pitch of sound?
1. thickness
2. length
3. tenson
1. distance
2. force