Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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
|
