Description : Which of the following does NOT affect sea level change? w) Antarctic ice sheet x) small glaciers and ice caps y) Arctic sea ice z) Greenland ice sheet
Last Answer : ANSWER: Y -- ARCTIC SEA ICE
Description : The earth's climate has been warming since the las glacial period which ended about how many years ago? w) 1,000 to 2,000 years ago x) 10,000 to 20,000 years ago y) 100,000 to 200,000 years ago z) 1,000,000 to 2,000,000 years ago
Last Answer : ANSWER: X -- 10,000 TO 20,000 YEARS AGO
Description : Which of the following is the name of the partly melted rock layer on which the plates move? w) lithosphere x) asthenosphere y) hydrosphere z) outer core
Last Answer : ANSWER: X -- ASTHENOSPHERE
Description : A wave with a wavelength of 40 meters and a height of 2 meters will NOT be refracted in water with a depth of more than: w) 1 meter x) 2 meters y) 10 meters z) 20 meters
Last Answer : ANSWER: Z -- 20 METERS
Description : What is considered to be the approximate difference in average temperature between the "little ice age" and today? w) 1 to 3 degrees centigrade x) 5 to 8 degrees centigrade y) 10 to 12 degrees centigrade z) 15 to 20 degrees centigrade
Last Answer : ANSWER: W -- 1 TO 3 DEGREES CENTIGRADE
Description : On the Phanerozoic time scale, which of the following geologic periods occurred approximately 65 to 136 million years ago? Is it: w) Cambrian x) Ordovician y) Carboniferous z) Cretaceous
Last Answer : ANSWER: Z -- CRETACEOUS
Description : Which of the following is the oldest period of tim lasting from the beginnings of the earth to approximately 570 million year ago? w) Precambrian x) Pleistocene (pron: ply-sto-sin) y) Miocene (pron: my-o-sin) z) Jurassic
Last Answer : ANSWER: W -- PRECAMBRIAN
Description : The horse latitude which occurs at approximately 30o - 35o north is also known as the: w) doldrums x) calms of Cancer y) calms of Capricorn z) trough of the Pacific
Last Answer : ANSWER: X -- CALMS OF CANCER
Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) time scale, which of the following geologic periods occurred approximately 500 to 570 million years ago? Is it: w) Cambrian x) Ordovician (pron: ord-eh-vish-en) y) Carboniferous z) Silurian
Last Answer : ANSWER: W -- CAMBRIAN
Description : On the Phanerozoic (pron: fan-eh-row-zo-ick) Time Scale, which of the following geologic periods occurred approximately 395 to 430 million years ago? Is it: w) Jurassic (pron: ju-ras-ick) x) Permian y) Carboniferous z) Silurian
Last Answer : ANSWER: Z -- SILURIAN
Description : On the Phanerozoic (pron: fan-eh-reh-zO-ik) Time Scale, which of the following geologic periods occurred approximately 225 to 280 million years ago? Is it: w) Jurassic x) Permian y) Carboniferous z) Silurian
Last Answer : ANSWER: X -- PERMIAN
Description : The tectonic plates on which India and the adjacen portion of Asia ride are colliding at a rate of: w) 1-10 millimeters per year x) 1-10 centimeters per year y) 1-10 meters per year z) 1-10 decimeters per year
Last Answer : ANSWER: X -- 1-10 CENTIMETERS PER YEAR
Description : Which of the following is the approximate ratio of the area of the continents to the area of the earth's oceans? w) 2:1 x) 1:1 y) 2:5 z) 1:10
Last Answer : ANSWER: Y -- 2:5
Description : Which of the following is TRUE of an earthquake's epicenter and focus? w) they are the same x) the focus is above the epicenter y) the epicenter is at the earth's surface z) the focus is at the earth's inner core
Last Answer : ANSWER: Y -- THE EPICENTER IS AT THE EARTH'S SURFACE
Description : Which of these events gives us evidence that the earth is spherical? w) a volcanic eruption x) an earthquake y) an eclipse of the moon z) the earth's rotation
Last Answer : ANSWER: Y -- AN ECLIPSE OF THE MOON
Description : Which of the following causes the oblate spheroid shape of the earth? w) the earth's magnetism x) the earth's gravity y) the earth's rotation z) the moon's tidal pull
Last Answer : ANSWER: Y -- THE EARTH'S ROTATION
Description : Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine
Last Answer : ANSWER: Y -- CHLORINE
Description : The oxygen in the earth's atmosphere was probably produced by which of the following? w) volcanos x) photosynthetic organisms y) radioactive minerals z) meteors
Last Answer : ANSWER: X -- PHOTOSYNTHETIC ORGANISMS
Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon
Last Answer : ANSWER: X -- COPPER
Description : In geological studies, a fault in the earth's surface in which the hanging wall has moved down relative to the footwall is termed: w) normal fault x) reverse fault y) upthrust fault z) none of these
Last Answer : ANSWER: W -- NORMAL FAULT
Description : In geological studies, a fracture in the earth's surface along which movement has taken place is termed: w) tension fracture x) gash fracture y) fault z) none of these
Last Answer : ANSWER: Y -- FAULT
Description : The continental shelves comprise what percentage o the Earth's total land area? w) 38 percent x) 28 percent y) 18 percent z) 8 percent
Last Answer : ANSWER: Y -- 18 PERCENT
Description : The earth's average density is: w) 2.82 grams per cubic centimeter x) 4.75 grams per cubic centimeter y) 5.52 grams per cubic centimeter z) 10.5 grams per cubic centimeter
Last Answer : ANSWER: Y -- 5.52 GRAMS PER CUBIC CENTIMETER
Description : The jet-stream lies between which two layers of th earth's atmosphere? w) thermosphere and ionosphere x) mesosphere and thermosphere y) troposphere and stratosphere z) stratosphere and mesosphere
Last Answer : ANSWER: Y -- TROPOSPHERE AND STRATOSPHERE
Description : Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous
Last Answer : ANSWER: W -- MAGMA
Description : What percentage of the earth's water is fresh water? w) 50% x) 22% y) 7% z) 3%
Last Answer : ANSWER: Z -- 3%
Description : In geological studies, a fault in the earth's surface in which the hanging wall has moved UP relative to the footwall is termed: w) overthrust fault x) reverse fault y) tear fault z) none of these
Last Answer : ANSWER: X -- REVERSE FAULT
Description : During which period, in the earth's history, did MOST dinosaurs become extinct? w) Carboniferous x) Cretaceous y) Quaternary z) Triassic
Last Answer : ANSWER: X -- CRETACEOUS
Description : The Greenhouse Effect is caused primarily by which of the following processes? w) blocking incoming short wave solar energy x) absorbing incoming short wave solar energy y) heating of the Earth's stratosphere z) absorbing outgoing long wave radiation from the Earth
Last Answer : ANSWER: Z -- ABSORBING OUTGOING LONG WAVE RADIATION FROM THE EARTH
Description : What percentage of the earth's atmosphere does O2 comprise? w) 75% x) 50% y) 21% z) 32%
Last Answer : ANSWER: Y -- 21%
Description : Which of the following number of years best approximates the length of time since the last ice age in the United States? w) 1,000,000 x) 1,000 y) 11,000 z) 250,000
Last Answer : ANSWER: Y -- 11,000
Description : A pair of rivers that mark the approximate southern limit of the Ice Age glaciers in North America are the Missouri and which of the following? w) St. Lawrence x) Ohio y) Delaware z) Tennessee
Last Answer : ANSWER: X -- OHIO
Description : Cirrus clouds are: w) rain clouds x) thick and fleecy y) made of ice crystals z) low cloud layers
Last Answer : ANSWER: Y -- MADE OF ICE CRYSTALS
Description : Deposits that form when the ice in a glacier melts are called: w) drifts x) dunes y) veins z) cirques (pron: serks)
Last Answer : ANSWER: W -- DRIFTS
Description : The ice sheet that covered northeastern United States came from which of the following locations? w) Labrador center in eastern Canada x) Keewatin center in central Canada y) Cordilleran center in the Rocky Mountains z) Greenland
Last Answer : ANSWER: W -- LABRADOR CENTER IN EASTERN CANADA
Description : Crinoids are the same as one of the following. Which one is it? Is it w) algae x) sea scorpions y) sea lilies z) lobe-finned fishes
Last Answer : ANSWER: Y -- SEA LILIES
Description : Which of the following is the only element which i "mined" from the sea? Is it: w) copper x) magnesium y) uranium z) zinc
Last Answer : ANSWER: X -- MAGNESIUM
Description : The approximate average yearly rainfall in centimeters for the United States is: w) 25 centimeters x) 50 centimeters y) 75 centimeters z) 100 centimeters
Last Answer : ANSWER: Y -- 75 CENTIMETERS
Description : On the Richter scale, a magnitude 6 earthquake is how much larger than a magnitude 4 earthquake? w) 1.5 times x) 4 times y) 15 times z) 100 times
Last Answer : ANSWER: Z -- 100 TIMES
Description : Most earthquakes originate at depths of between w) the surface and 100 kilometers x) 100 kilometers and 500 kilometers y) 500 kilometers and 700 kilometers z) 700 kilometers and the outer core
Last Answer : ANSWER: W -- THE SURFACE AND 100 KILOMETERS
Description : The concentration of carbon dioxide in the atmosphere is in the range of: w) 1-10 parts per million x) 10-100 parts per million y) 100-1000 parts per million z) 1000-10,000 parts per million
Last Answer : ANSWER: Y -- 100-1000 PARTS PER MILLION (the exact number is 350 ppm as of the time of this article)
Description : Carbon dioxide is an important greenhouse gas. What is the current rate in parts per million per year of atmospheric increase of this gas? w) 0.15 ppm per year (parts per million) x) 1.5 ppm per year y) 15 ppm per year z) 150 ppm per year
Last Answer : ANSWER: X -- 1.5 PPM PER YEAR
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide
Last Answer : ANSWER: Y -- METHANE AND CARBON DIOXIDE
Description : Which of the following processes doesn't account for an increase in atmospheric CO2 (carbon dioxide) levels? w) deforestation x) photosynthetic processes y) plant respiration z) fossil fuel combustion
Last Answer : ANSWER: X -- PHOTOSYNTHETIC PROCESSES
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide
Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE
Description : Which of the following does NOT form as a result o a low level temperature inversion? w) smog x) sleet y) tornado z) fog
Last Answer : ANSWER: Y -- TORNADO
Description : The wind-chill index outside is -10 F when the wind blows at 20 mph and the air temperature is 20 F. To what temperature will a dry object cool when placed outside? w) 20 F x) 10 F y) -10 F z) -20 F
Last Answer : ANSWER: W -- 20 F
Description : A round viewing window with a 20 centimeter diameter is installed in a tank at the Shedd Aquarium. It is 5 meters below the water surface. The force on the window is approximately: w) 1,500 Newtons x) 10,000 Newtons y) 25,000 Newtons z) 50,000 Newtons
Last Answer : ANSWER: W -- 1,500 NEWTONS
Description : A 50 kilogram ice skater glides across the ice in a straight line at 7 meters per second. If she bends down and scoops up a 20 kilogram child standing on the ice, what will be the final speed of the skater ... w) 1 meter per second x) 3 meters per second y) 5 meters per second z) 7 meters per second
Last Answer : ANSWER: Y -- 5 METERS PER SECOND
Description : Pangaea is the name of a former continent that included: w) all the continents x) only Europe and Asia y) only South America and Africa z) only North and South America
Last Answer : ANSWER: W -- ALL THE CONTINENTS