Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/16

Click to flip

16 Cards in this Set

  • Front
  • Back
A form of energy that travels through matter as waves.
sound
A space that is empty of any matter.
vacuum
The bending of light as it passes from one material into another.
refraction
The ability to do work or cause change.
Engery
The highness or lowness of a sound.
pitch
A region in a sound wave where particles have been pushed together.
compression
The distance between one crest of a wave and the next crest.
Wavelength
A form of electromagnectic energy that can be seen.
visible light
The number of waves (such as light or sound) produced in a unit of time, such as a second.
frequency
Wave engery given off by the Sun and some other objects.
electromagnectic radiation
A unit used to measure wave frequency.
hertz
A region in a sound wave where there are fewer particles than normal.
rarefaction
The bouncing of light or sound off a surface.
reflection
A disturbance that carries energy and that travels away from its starting point.
wave
The loudness or softness of a sound.
volume
A back and forth movement of matter.
vibration