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science

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