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14 Cards in this Set

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What is white light?
light from the sun
Name some objects that use of kinds of enegy that has waves.
microwaves, x-rays, radio waves
What else has waves like light waves?
other forms of energy
How is a laser light different from other forms of light?
It can travel long distances without spreading out very much.
visible spectrum
light energy that can be seen and can be broken into the colors of the rainbow
What is light a form of?
Energy that you can not see
What happens to light as it passes through water?
The water breaks up the light into all the colors of the visible spectrum
Where does most of our light come from?
the sun
Different colors of light have different what?
wave lengths
What are the colors that make up white light?
red, orange, yellow, green, blue, indigo, violet

ROY G BIV
What are some objects that are sources of light?
sun, fire, electric light, candles, matches, flashlight
How does light energy move?
In a straight line away from its source-- but from its source out it moves in waves.
Why isn't light as bright on a object far away?
Because light waves spread out.
What is a wave length?
The distance from a point on a wave to the same point on the next wave.