Example Test Questions for Chapter 9

Example Test Questions for Chapter 9 - 3. Which of the...

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Willie Reaves Dr. Richard Williamon PHYS 116 6 October 2011 Example Test Questions for Chapter 9 1. The two major categories of small bodies in the solar system are a. Asteroids and comets ( CORRECT ANSWER ) b. Asteroids and meteors c. Meteors and meteorites d. Jovian meteors and terrestrial meteorites 2. We see meteors illuminate in the sky when a. they began to freeze upon entering the earth’s atmosphere b. small particles from the meteor burn up in earth’s atmosphere ( CORRECT ANSWER) c. the meteors have such high energy that they temporarily become suns and gain temperatures of over 6000 Kelvins d. they fall outside the umbra of the sun.
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Unformatted text preview: 3. Which of the following terms, borrowed from biology, describes a chunk of ice at the center of a comet? a. Mitochondrion b. Hypothalamus c. Hypothermia d. Nucleus ( CORRECT ANSWER ) 4. Which of the following elements, discovered in high concentrations in sediment, is associated with the idea of the mass extinction of dinosaurs? a. Technetium b. Thallium c. Iridium ( CORRECT ANSWER) d. Proactinium 5. Dust tail particles are pushed away from the Sun by which of the following effects? a. Radiation pressure ( CORRECT ANSWER ) b. Accretion c. Comet disintegration d. Nucleic formation...
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