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Vocabulary
Vocabulary
Waves
Light Energy
Light and Matter Interaction
100

The highest part of a wave

What is the crest

100
The bouncing back of a wave off an object or surface.
What is reflection
100

The height of a wave

What is amplitude

100
The only electromagnetic waves we can see....
What is visible light
100
What travels the fastest through the emptiness of a vacuum such as outer space?
What is light
200

The lowest point on a wave

What is the trough

200

Light passing through an object

What is transmit

200

The distance from crest to crest or trough to trough

What is wavelength

200

A shadow appears when light rays are ....

What is absorbed (blocked or taken in)

200
Light rays travel in _________ as long as nothing is in the way.
What is straight lines
300

This changes with different colors

What is wavelength or frequency

300
Describes materials that let nearly all the light rays that hit them pass through.
What is transparent
300

The number of waves in a period

What is frequency

300
The colors red, orange, yellow, green, blue, and violet are part of the...
What is visible light spectrum
300
After a light wave is absorbed, it becomes, a form of.....
What is heat energy
400

The acronym (abbreviation) for all the visible colors of light in the spectrum

What is ROY G BIV

400

Bending of a wave caused by the change of speed that occurs when the wave passes from one medium into another.

What is refraction

400

Describe the wavelength of red light compared to green

What is a longer wavelength

400
Scientist refer to all forms of light energy as....
What is electromagnetic radiation
400
A lens that is thicker in the middle than at the edges. The light rays that pass through bend in toward the middle of the lens. This lens makes things look bigger.
What is convex
500

What is the name for all the light energy in our universe?

What is the Electromagnetic Spectrum?

500

The taking in of light energy by an object.

What is absorption

500

How does white light appear with a small amplitude?

What is dim (not bright)

500
List the types of electromagnetic waves we cannot see.
What is ultraviolet waves, x-rays, gamma rays, radio waves, microwaves, and infrared waves
500
A lens that is thinner in the middle than at the edges. The light rays pass through and bend out towards the thicker edge of lens. This lens make things look smaller.
What is concave