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Science Crossword Puzzle Week #18

Across
Allows some light to go through (sunglasses)
Part towards the back of the eye that contains cells that respond to light
Transparent layer at the front of your eye
The receptor that connects your eye to your brain.
Are the cells in the eye that detect light
Light bounces off an object and keeps going in a straight line
Clear disk in your eye that bends light rays
Means the light is taken in by the substance that it hits
Down
The black spot inside your iris
Means the light bounces off the object in all directions
Allow light to go through them (windows)
Part of the eye that gives it color
Light changes direction and speed
Block all light from getting through (solid wood)