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Light Vocabulary 4A

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Across
3
Hollowed or rounded like the inside of a bowl.
4
The return of light as off a mirror.
7
Not letting light through.
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Clear enough to light light pass through. To see through.
11
A glow or emission of light through a chemical reaction from a animal.
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Creating a glow as through a chemical reaction.
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Within the earth's atmosphere.
15
Somewhat clear to let some light pass through. Difficult to see images from the other side. For example frosted glass.
Down
1
To extend in different directions. To spread apart.
2
To come together to form a focal point.
5
The creation of light through a flame or heat source.
6
Curved or rounded like a sphere.
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As on earth.
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To give off light.
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From outer space.
These are the words that will be on your Wednesday vocabulary quiz for Science.