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G5 Ch6 L3.2 Light: How does it bounce and bend?
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How does a rainbow form?
Refraction of light through moisture in the air.
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What forms of electromagnetic radiation does the Sun give off?
Infrared, visible light, and ultraviolet.
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What properties do images have if they are formed by concave lenses or convex mirrors?
(1) located behind the convex mirror (2) a virtual image (3) an upright image (4) reduced in size (i.e., smaller than the object)
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What kind of shapes can mirrors be made of? And how do the shapes affect the reflected image?
Convex and concave; upright/upside down, enlarged/reduced.
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What colors are made by mixing red, green, and blue light two at a time in equal amounts?
Red and green make yellow, red and blue make magenta, and blue and green make cyan.
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What is refraction? Give an example.
Bending of light as it enters or leaves a medium with different density; like a pencil viewed in a glass of water.
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Why would exposure to X rays be more dangerous than radio waves?
X-rays have more energy and greater penetrating power.
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What would happen if you shone yellow light on a blue opaque object?
Nice, nailed it! / Sorry, we were looking for...
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What is a reflection?
Organized scattering of a wave; light bouncing off a reflective surface creatin an image.
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How do we see color?
Our eyes see different wavelengths of light as different colors.
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