midterm1_v3

midterm1_v3 - VERSION MARCH INDICATE THE VERSION NUMBER IN...

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VERSION “MARCH” INDICATE THE VERSION NUMBER IN THE MONTH FIELD VERSION JANUARY COLOR IN MONTH “JAN” VERSION FEBRUARY COLOR IN MONTH “FEB”, ETC. SIO10 Midterm, Friday Feb. 06, 2009 1) The Moon is believed to have formed a) at the beginning of time. b) from comets. c) when a Mars-size body hit the Earth. d) in the asteroid belt. 2) Earth’s surface is protected from solar wind and cosmic radiation by … a) Earth’s gravitational field b) A powerful stream of ions emitted by the Sun c) Earth’s magnetic field d) A large, metallic shield launched into orbit by NASA in the 1960s 3) As compared to continental crust, the rocks that make up oceanic crust are a) more dense b) made of minerals that contain more silica c) more buoyant d) all of the above 4) As compared to the asthenosphere, the lithosphere is a) cooler and more able to flow b) hotter and more able to flow c) hotter and less able to flow d) cooler and less able to flow 5) Which of the following observations suggested that the continents were once joined together in a supercontinent? a) Meteor impact craters are uniformly distributed around the world b) The same fast food restaurants are found all over the world c) Rocks from glaciers are found near the equator d) The continents fit together like jigsaw pieces
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6) Marine magnetic anomalies result from sea-floor spreading in conjunction with a) global warming b) magnetic storms on the surface of the Sun c) apparent wander of the magnetic poles d) magnetic polarity reversal 7) As compared to the rocks that make up the crust, Earth as a whole is …
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midterm1_v3 - VERSION MARCH INDICATE THE VERSION NUMBER IN...

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