Short Quiz on science 8
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Transcript of Short Quiz on science 8
![Page 1: Short Quiz on science 8](https://reader030.fdocuments.in/reader030/viewer/2022032700/563db8ac550346aa9a95d9cc/html5/thumbnails/1.jpg)
SHORT QUIZ9/24/2015
UNIT 3: ASTEROIDS, COMETS AND METEORS
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•1. comets and asteroids have irregular shapes and varied sizes.
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•2. The major difference of comet and asteroid are their origin.
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•3. The chemical composition of an asteroid is important for scientists
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•4. ALVAREZ HYPOTHESIS PROPOSED THAT A COMET WITH APPROXIMATELY 10 KILOMETERS IN DIAMETER MADE AN IMPACT WITH EARTH
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•5. COMET HALE BOPP CONTAINED NICKEL AND IRON WHICH EXPLAINED THE VERY BRIGHT APPEARANCE OF THE COMET
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IN DECEMBER 2012, DURING THE DOOMSDAY PROPHECIES, WHAT ASTEROID MADE A NEAR APPROACH TO EARTH?•A. asteroid Toutatis•B. asteroid 2012 da 14•C. asteroid ceres•D. asteroid Halley
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THESE ARE MINERALS THAT CONTAIN THE ELEMENTS SILICON, OXYGEN AT LEAST ONE METAL•A. ARGON•B. SILICATES• C. SODIUM•D. NICKEL
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THESE ARE REMNANTS FROM THE FORMATION OF OUR SOLAR SYSTEM•A. COMET•B. ASTEROID• C. METEOR•D. NEO
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ASTEROID IS ALSO CALLED A__________
• A. MAJOR PLANET• B. PLANETOID• C. SPACE ROCK• D. ALL OF THE ABOVE
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ASTEROIDS ARE MOSTLY COMPOSED OF METALS
A. SILICONB. SODIUMC. ARGOND. NICKLE
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•LONG PERIOD COMETS COME FROM THE ______________________
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•SHORT PERIODS COMETS COME FROM A _________________________
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•ASTEROIDS COME FROM A _________________
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•A famous comet in the 20th century with a period of 75-79 years.