Description : Apatite is what number on Moh's (pron: moes: rhyme with toes) hardness scale? w) 1 x) 3 y) 5 z) 7
Last Answer : ANSWER: Y -- 5
Description : Fluorite is what number on Moh's hardness scale? w) 1 x) 2 y) 3 z) 4
Last Answer : ANSWER: Z -- 4
Description : Diamond is what number on the Moh's hardness scale?
Last Answer : ANSWER: 10
Description : The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite
Last Answer : ANSWER: W -- QUARTZ
Description : Which of the following pairs of minerals are difficult to tell apart because both are always dark in color and almost equally hard? w) muscovite and orthoclase x) muscovite and quartz y) hornblende and talc z) hornblende and augite
Last Answer : ANSWER: Z -- HORNBLENDE AND AUGITE
Description : The hydrolysis of orthoclase results in the formation of: w) shale x) kaolin y) lime z) hydrochloric acid
Last Answer : ANSWER: X -- KAOLIN
Description : Which of these pairs of minerals are always found in granites? w) muscovite and calcite x) quartz and orthoclase y) hornblende and talc z) augite and magnetite
Last Answer : ANSWER: X -- QUARTZ AND ORTHOCLASE
Description : Which of the following minerals is NOT a silicate? w) orthoclase x) muscovite y) augite (pron: aw-jIt) z) magnetite
Last Answer : ANSWER: Z -- MAGNETITE
Description : Fine parallel lines, or striations, are most likel to be seen on a cleavage surface of which of the following minerals? w) quartz x) orthoclase y) hornblende z) plagioclase (pron: play-gee-o-klase)
Last Answer : ANSWER: Z -- PLAGIOCLASE
Description : Which one of the following minerals does NOT contain silica tetrahedrons? w) quartz x) muscovite y) halite z) orthoclase
Last Answer : ANSWER: Y -- HALITE
Description : In geological studies, arkose contains which of th following minerals which gives it a reddish color? w) orthoclase x) calcite y) aragonite (pron: a-rag-o-nite) z) quartz
Last Answer : ANSWER: W -- ORTHOCLASE
Description : The most powerful earthquake ever recorded in North America had a Richter scale magnitude closest to w) 6.5 x) 7.5 y) 8.5 z) 9.5
Last Answer : ANSWER: Y -- 8.5
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 : The emergence of land plants is generally accepted as occurring during what period on the geologic time scale: w) Cretaceous x) Triassic y) Permian z) Silurian
Last Answer : ANSWER: Z -- SILURIAN
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 : The Miocene, Eocene and Paleocene epoches belong t what geologic period on the Phanerozoic Time Scale? Is it the: w) Devonian x) Permian y) Triassic (pron: try-as-ick) z) Tertiary
Last Answer : ANSWER: Z -- TERTIARY
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
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 : What is the hardness gold on mohs scale?
Last Answer : 2.5
Description : What is the mohs scale hardness of iron ore?
Last Answer : Depends on the ore- somewhere around a 6-8. Varies between hardand very hard. Also corrected spelling on the Mohs scale.
Description : Which of the following is an average number of inches of snow equal to one inch of rain? w) 1 inch x) 5 inches y) 10 inches z) 25 inches
Last Answer : ANSWER: Y -- 10 inches
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 : In the nebular hypothesis, each planet is formed from which of the following? w) a comet x) a number of moons y) a passing star z) a ring of gas
Last Answer : ANSWER: Z -- A RING OF GAS
Description : While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen
Last Answer : ANSWER: X and Z -- NITROGEN and OXYGEN
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 : 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 : 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 : Continental shelves range in width from: w) 1,500 to 5,000 kilometers x) 1,500 to 3,000 kilometers y) 0 to 5,000 kilometers z) 0 to 1,500 kilometers
Last Answer : ANSWER: Z -- 0 TO 1,500 KILOMETERS
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 : Which of the following areas is closest to the total surface area of the earth in square kilometers? w) 500 million x) 500 billion y) 500 thousand z) 5 billion
Last Answer : ANSWER: W -- 500 MILLION
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
Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite
Last Answer : ANSWER: X -- CINNABAR
Description : Which of the following mountain ranges was formed during the Mesozoic era? w) Rocky Mountains x) Cascades y) Appalachian z) Sierra Nevada
Last Answer : ANSWER: Z -- SIERRA NEVADA
Description : Sulfuric acid aerosols from the eruption of Mt. Pinatubo reduced the rate of global warming last year. They also contributed to the record size of: w) acid rainfalls in Europe x) the anchovy catch off Peru y) the ozone hole over Antarctica z) fish kills in the Amazon River
Last Answer : ANSWER: Y -- THE OZONE HOLE OVER ANTARCTICA
Description : Cloud droplets unite most easily to form raindrops in clouds containing which of the following substances? w) ozone x) plant pollen y) carbon tetrachloride z) large salt crystals
Last Answer : ANSWER: Z -- LARGE SALT CRYSTALS
Description : When the difference in the temperature of the wet-bulb thermometer and dry-bulb thermometer is large, what does it indicate about the air? w) it is very dry x) it is nearly saturated y) it is very warm z) it is very cold
Last Answer : ANSWER: W -- IT IS VERY DRY
Description : What is considered to be the oldest lake in North America? w) Mono Lake, CA x) Lake Superior, MI y) The Great Salt Lake, UT z) Crater Lake, OR
Last Answer : ANSWER: W -- MONO LAKE, CA
Description : On which of the following does the capacity of a kilogram of air for holding water depend? w) the air pressure x) the air temperature y) the dust content of the air z) the ions in the air
Last Answer : ANSWER: X -- THE AIR TEMPERATURE
Description : What form of runoff is water that flows down a slope within the upper layers of the soil rather than on top of them? w) interflow x) extraflow y) endoflow z) detrital runoff
Last Answer : ANSWER: W -- INTERFLOW
Description : When does the air cool most rapidly? Is it during w) a cloudy day x) a cloudy night y) a sunny day z) a clear night
Last Answer : ANSWER: Z -- A CLEAR NIGHT
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 : Valleys formed by glaciers always have which of the following characteristics? w) U-shaped cross sections x) straight courses y) uniform slopes z) bedrock floors
Last Answer : ANSWER: W -- U-SHAPED CROSS SECTIONS
Description : When the front of a glacier is stationary for a long time, the glacier will do which of the following? w) form many crevasses x) melt away y) not erode its bed z) build a large terminal moraine
Last Answer : ANSWER: Z -- BUILD A LARGE TERMINAL MORAINE
Description : The largest single component, by weight, in the average American landfill is: w) toxic waste x) diapers y) newspapers z) pizza boxes
Last Answer : ANSWER: Y -- NEWSPAPERS
Description : North American Indians used this mineral of volcanic origin to make tips for arrows: w) obsidian x) quartz y) flint z) pumice
Last Answer : ANSWER: W -- OBSIDIAN
Description : Which animal is the center of the timber-harvest controversy in the Pacific Northwest? w) blackfooted ferret x) California condor y) northern spotted owl z) gray wolf
Last Answer : ANSWER: Y -- NORTHERN SPOTTED OWL
Description : Biomass energy is w) formed through photosynthesis x) caused by heat due to the large mass of the Earth y) has been used for only a few years z) the predominant source of commercial heat energy in the northern regions of the United States
Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS
Description : In geological studies, the Mohorovicic Discontinuity, commonly called the Moho, is the boundary between the w) the mantle and the crust x) asthenosphere and the mantle y) mantle and the outer core z) outer core and the inner core
Last Answer : ANSWER: W -- THE MANTLE AND THE CRUST
Description : Which of the following distances in kilometers is closest to the diameter of the earth? w) 750 kilometers x) 2,750 kilometers y) 12,750 kilometers z) 127,500 kilometers
Last Answer : ANSWER: Y -- 12,750 KILOMETERS