7c science fe review

the term for light

• luminous

• illuminated

• filament

• lightning

TRUE OR FALSE. Most animals depend on the food chain to find food and do things for survival.

• true

• false

What is the first of light technologies?

• fire

• lightning

• LEDs

• stars

This light produces heat from chemical reactions

• incandescence

• luminescence

• bioluminescence

• fluorescence

the passing through of a wave

• absorption

• tranmission

• diffraction

• refraction

the bending of waves through a medium

• diffraction

• refraction

• absorption

• scattering

materials that are used to produce color

• pigments

• colors

• light mixing

• additive color mixing

angle at which a light beam hits an object

• angle of reflection

• diffuse reflection

• regular reflection

• angle of incidence

the spreading of light rays in all directions

• scattering

• transmission

• absorption

• polarizing filter

The window is clear, or transparent. Most of the light that hits it is ______.

• scattered

• transmitted

• reflected

• absorped