I know this
artificial
a stream of light traveling in a straight line
light beam
the study of the natural world through observation and experiments
science
the advancement and creation of new technologies
technological development
the ability to do work or cause changes
energy
the range of different colors produced when light is spread out
spectrum
to take in light without reflecting it
absorb
to bounce light off an object
reflect
the return of light rays from a surface
reflection
How bright or shiny light appears
brightness
to pass light through an object
transmit
the act of lighting up something or being lit up
illumination
a material that allows all light to pass through cledarly
transparent
a material that lets some light through, but not clearly
translucent
a material that does not let any light pass through
opaque