science homework renata cantu salazar
TRANSCRIPT
What are the 7 colors of theRainbow ?
a)redOrange YellowGreen Blue PurplePink
b)PinkRed Orange PurpleGreen White Black
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Light travels in air or water ??
a) air b)Water
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Correct¡¡¡¡¡¡¡¡
Happy Good
Wonderful!!!!!!!!!!!!!!!!!!!
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Wrong!!!!¡¡¡
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Which of the folloiwing is an artificial light source?????
Sun Fire
Correct
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Wr o n g
¡¡¡¡¡!!!
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how does a light bulb work ?
Ambient light is reflected by a small mirror
An electric current is passed through a filament
Correct
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wrong
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What can you infer aboutthe enviroment the anglefishlive in ?????
It must be filled with other fish
It must be extremely dark
Correct
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What device produces light by running anelectric current through a gas?
A flashlight A neonsign
Correct
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wrong
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What could you use toSplit white light into itscomponent colors?
A prism A light bulb
CORRECT
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WRONG
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8. Why does refraction occur?
Light travels through different materials at differentspeeds
Different colors of light travel at differente speeds.
CORRECT
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WRONGHome
9. Only a minute portion of the electromagnetic spectrum can be seen withthe human eye. In this context, what does minute mean?
Small
Large
WRONG
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CORRECT
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10. When you look at your teachers face, how can you see it?
Her face emanates light
Light reflects off of her face
WRONG
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CORRECT
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11. Light can behave as both a _________ and a ________.
Natural sorce; unatural source
Refraction; reflection
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12. Why does the light we see from stars take thousands of years to reach us?
Because the light is slowed down by gases in outer space.
Because the stars are very far away.
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13. One artificial source of light.
Sun
Candle
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14. When light hits an object it bounces back, this is called?
Refraction
Reflection
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15. What can you use to split white light into its component colors?
Rainbow
Prism
Finish
