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18 Cards in this Set
- Front
- Back
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Benthos organisms are those that live
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ON THE OCEAN FLOOR
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Many large volcanoes have at the top of their cones a roughly circular, steep-walled basin specifically called what?
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CALDERA (ACCEPT: CRATER)
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On the Earth's surface, the point directly above the underground point of origin of an earthquake is known as the:
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EPICENTER
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What two elements are the most abundant in the Earth's crust
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OXYGEN AND SILICON
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Gypsum and rock salt are two kinds of
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SEDIMENTARY ROCKS
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What is the name of the layer of the Earth's atmosphere where we live?
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TROPOSPHERE
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On the U.S. east coast, the boundary where the land and ocean meet is called the:
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SHORELINE
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What is the common name for the calm center of a hurricane?
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THE EYE
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Which of the following most directly causes surface ocean waves:
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WIND
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Which of the following most accurately describes the motion of the Sun from the lower 48 states:
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SUNRISE AND SUNSET BOTH MOVE MORE NORTHERLY IN THE SUMMER
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What element is present in Navaho sandstone that gives it its red color?
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IRON
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The mass of most stars is composed mostly of what element?
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HYDROGEN
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A pressure gauge has the letters PSI printed on its face. What does PSI stand for?
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POUNDS PER SQUARE INCH
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Which of the following best accounts for the backwards or retrograde motion that planets seem to follow when viewed from Earth:
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THE EARTH MOVES FASTER IN ITS ORBIT AROUND THE SUN THAN SOME OF THE OTHER PLANETS
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Which of the following is a type of telescope that typically used a primary glass lens to collect the light from the night sky:
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REFRACTOR
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Which of the following is an element most directly needed in trace amounts by humans for the production of a hormone:
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IODINE
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What did Copernicus think was the shape of orbits of the planets?
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CIRCLE
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How many bytes are in a single gigabyte?
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1 BILLION
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