Physics Crossword

The study of light
the bending of a wave when it enters a medium where its speed is different
work by refraction; by the light bending when moving between two substances
Looks like the sides have caved in
the middle is bigger than the ends
where the parallel rays meet
what you look at; the actual thing
what you think you see; the object enlarged, reduced or moved
shiny boundaries in which light reflects
The change in direction of a wave, away from a boundary the wave encounters
How our eyes think light comes from
this focuses the light and makes distant objects appear brighter, clearer and magnified
employs visible light to detect small objects,
allows light to enter and creates an image by causing a chemical reaction on photo film
light rays come together
light rays spread apart