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10 Cards in this Set

  • Front
  • Back
What is the number of waves produced on a unit of time called?
frequency
Fill in the blank.
Sound needs __________ to travel through.
matter
What is a vacuum?
an amount of space with no matter in it
What is the highest point of a wave called?
crest
Which term means "the amount of energy in a wave"?
amplitude
Fill in the blank.
Sound travels fastest through a ___________.
solid
Fill in the blank.
Sound is a form of _____________.
energy
What is the lowest point of a wave called?
trough
Fill in the blank.
Sound travels in ____________.
waves
Fill in the blank.
Sound cannot travel through a ____________.
vacuum