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

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


Play button


Play button




Click to flip

12 Cards in this Set

  • Front
  • Back
The scientist who paved the way for our modern understanding of light when he discovered that white light is made of many colors.
Sir Isaac Newton
The colors of visible spectrum.
combined colors of the rainbow: red, orange, yellow, green, blue, and violet (ROY G. BV)
A movement of energy from one place to another.
A wave
A back and forth motion that repeatedly follows the same path.
The high point of a wave; the low point of a wave.
Crest; trough
Whatever carries a wave
Waves that consist of vibrating electric and magnetic fields.
Electromagnetic wave
Speed of light.
186,000 miles per second or 670 million miles per hour
How fast a wave oscillates
The behavior of an electromagnetic wave depends on its freqency
The length of one complete wave or cycle of oscillation, measured from crest to crest or trough to trough
The higher the frequency, the shorter the wavelength.
Electromagnetic waves were discovered in the 1800s by a brilliant Scottish scientist.
James Clerk Maxwell
The different types of electromagnetic waves, when arranged acccording to frequency and wavelenght, make up the
Electromagnetic spectrum