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science

Across
You can see clearly through a ___ object
Used to focus light rays
A lens causes light ray to ___
___ objects reflect more light
___ object only allows some light to pass through.
An ___ object does not allow light to pass through . you can not see through.
Light travel in ___ lines
Down
To reflect means to ___ back
___ reflect less light
To refract means to ___
Divides white light into many colors
Red, orange and yellow are a part of the visible ___ of colors.
A mirror reflects