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12 Cards in this Set
- Front
- Back
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When metal is heated, some of its extra energy is given off as:
a. sound b. color c. light d. matter |
light
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You are able to see yourself in a mirror due to:
a. absorption b. spectrum c. reflection d. refraction |
reflection
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What color light is reflected by a red object?
a. red b. blue c. white d. all |
red
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What causes a rainbow?
a. reflected light b. refracted light c. artificial light d. absorbed light |
refracted light
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Give examples to transparent, translucent and opaque matter
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transparent: glass
transluctent: wax paper opaque: your body |
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How is artificially produced light different from naturally produced light?
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artificial light is person-made and natural light is by nature.
artificial: light bulb natural: sunlight |
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What are the colors of the visible spectrum?
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Red, orange, yellow, green, blue, indigo and violet
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a. Why do some objects appear white?
b. Why do some appear black? |
a. It it reflects almost all the colors it appears white;
b. If it absorbs almost all the colors it appears black |
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How is color useful and important to us?
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to help find your coat among others. Color can be a sign of danger like stop signs.
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Why is it sometimes difficult to tell the depth of water even if you can see the bottom?
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Because it is refracted light. The light is bent when it passes through water.
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How does a prism separate white light?
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A prism separates white light into the visible spectrum because it is a transparent object that refracts light.
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A brick wall and a mirror both reflect light. Why are you not able to see your face in a brick wall?
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Because a brick wall is opaque matter.
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