Electromagnetic Waves
Luminous Light Sources
The Laws of Light
Fascinating Facts
Definitions
100

AM/FM Radio

Radio waves

100

Glow-in-the-dark stickers

Phosphorescence 

100

When light is reflected off a plane mirror, the angle of incidence equals the ____

Angle of reflection

100

When objects absorb all colours of light that hit them, they appear to be ____

Black 

100

When a material does not transmit any incident light

Opaque

200

Cancer treatment

X-rays

200

The production of light from high temperatures

Incandescence 

200

Light bends ___ the normal when it speeds up in a medium

Away

200

LASER stands for _____

Light Amplification by Stimulated Emission of Radiation

200

To meet at a common point

Converge

300

Rainbows 

Visible light

300

No heat is produced 

Chemiluminescence or bioluminescence

300

The acronym __ can be used to remember the four image characteristics

SALT

300

Mirrors consist of two parts: the front part, a sheet of glass, and the back part, a thin layer of reflective _____ or _______

Silver, aluminum

300

Any physical substance through which energy can be transferred 

Medium

400

Stimulates production of vitamin D

Ultraviolet light
400

Electric current that flows in only one direction

Light-emitting diode

400

Describe the type of image in a plane mirror

Virtual

400

Disco mirror balls produce eye-catching displays and exhibit ______ reflection

Specular

400

The use of light rays to determine how light behaves when it strikes objects

Geometric optics

500

Astronomy (study of nuclear processes in the universe)

Gamma rays

500

Make clothes brighter

Fluorescence 

500

Describe the attitude of an image in a concave mirror at F

No clear image

500

Light travels at a speed of 3.00 x 108 m/s in a ___

Vacuum
500

A virtual image that forms as a result of refraction and total internal reflection in Earth’s atmosphere

Mirage