lesson 10

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for science

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14 Terms

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Nuclear fusion
When particles join together and fuse.
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Radiant energy
Light.
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Incandescent light
Light hot enough to glow.
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Light emitting diode
LED.
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Opaque
If light can’t pass through something.
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Translucent/Transparent
If light can pass through.
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Shadow
Blocked light.
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Electromagnetic energy
Energy that reaches from the sun to the earth.
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Invisible spectrum
Colours we can’t see.
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Colour spectrum/Visible spectrum
Everything we can see.
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Ultraviolet
Higher frequency than violet.
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Infrared
Has longer wavelengths and generates heat.
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Angle of incidence
The angle of reflection.
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Refraction
Bending of light.