Visible Light! Crossword Puzzle

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QUESTIONS LIST:

speed of light : travels at 186,000 miles per second
solar panels : converts sunlight to convert light to electricity
refraction : light changes direction between one medium and another
transmission : light passes through a transparent or translucent object
dispersion : light is separated into equal amounts of the visible spectrum ("a rainbow")
photon : released energy absorbed as a flash of light ("excited")
diffusion : light spreads out after it passes through another medium
opaque : when light cannot pass through an object
reflection : a surface throws back light without absorbing it