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Light Vocabulary Words - Quiz Practice

Across
Coming from the earth's atmosphere. Aurora borealis are ______________ sources of light.
The production and emission of light by a living organism.
Chlorine and iodine are ____________ because they are salt-producing chemical elements on the periodic table.
Emitting light not cause by heat. For example, a flashlight.
The angle that is created when the reflected ray bounces off a mirror and the normal is drawn.
When light is bent by an transparent object.
A transparent object that refracts white light so the rainbow become visible.
Coming from outer space such as light from our sun.
Not able to be seen through.
Allowing SOME light through but details of objects are difficult to see because much of the light is absorbed or reflected.
Down
A glow stick is an example of a ___________ source of light.
When light bounces off an object.
Burning sources of light such as fire or matches.
The angle that is created when the incident ray meets up with a mirror and the normal is drawn.
To produce something such as light. Does the moon ________ it's own light? NO!
Coming from the earth. Volcanic magma can light up the night and are ___________ sources of light.
_______________ lamps are made with mercury vapour and can create visible light.
Allowing light through so that objects can be clearly seen.
The place something comes from. For example, Earth's main ___________ comes from our sun.