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9,700 | NDQ_005735 | reducing ozone destruction | when chlorine breaks an ozone molecule it becomes | null | null | Multiple Choice | a. One chlorine oxide molecule, b. One oxygen molecule and one oxygen atom, c. One oxygen molecule and two oxygen atoms, d. Three oxygen atoms | b |
9,701 | NDQ_005736 | reducing ozone destruction | the montreal protocol | null | null | Multiple Choice | a. Controls the way scientists monitor the ozone hole., b. Regulates the production and consumption of chemicals that destroy the ozone layer., c. Regulates the release of greenhouse gases., d. None of these. | b |
9,702 | NDQ_005737 | reducing ozone destruction | the ozone hole will be back to its pre-1980 levels in one to two centuries. | null | null | Multiple Choice | a. True, b. False | a |
9,703 | NDQ_005738 | reducing ozone destruction | if damage to the ozone layer continues, the incidence of this disease will increase. | null | null | Multiple Choice | a. Asthma, b. Diabetes, c. Asbestosis, d. Skin Cancer | d |
9,704 | NDQ_005739 | reducing ozone destruction | wealthier nations have donated money to develop technologies that will replace ozone destroying chemicals. | null | null | Multiple Choice | a. True, b. False | a |
9,705 | NDQ_005740 | reducing ozone destruction | if cfcs had not been phased out the ozone layer would have | null | null | Multiple Choice | a. Become thinner until it was virtually gone in 2060., b. Disappeared by 2009., c. Thinned at the same rate globally until it stabilized in about 2040., d. None of these. | a |
9,706 | NDQ_005741 | revolutions of earth | the planets in our solar system revolve around | null | null | Multiple Choice | a. The Sun, b. The moon, c. Saturn, d. Earth | a |
9,707 | NDQ_005742 | revolutions of earth | this 17th century scientist was persecuted for saying the earth orbits around the sun. | null | null | Multiple Choice | a. Newton, b. Galileo, c. Ptolomy, d. Wegner | b |
9,708 | NDQ_005743 | revolutions of earth | the suns gravitational pull keeps the planets in orbit. | null | null | Multiple Choice | a. True, b. False | a |
9,709 | NDQ_005744 | revolutions of earth | in the geocentric model of the universe, everything in the heavens revolves around | null | null | Multiple Choice | a. The moon, b. Saturn, c. The sun, d. Earth | d |
9,710 | NDQ_005745 | revolutions of earth | the planets appear to move slower than the stars. | null | null | Multiple Choice | a. True, b. False | b |
9,711 | NDQ_005746 | revolutions of earth | ptolomys system worked so well that no one questioned it until the 20th century. | null | null | Multiple Choice | a. True, b. False | b |
9,712 | NDQ_005747 | revolutions of earth | ptolemys system to explain the motions of the planets | null | null | Multiple Choice | a. Had the planets orbiting Earth., b. Had the planets orbiting Earth but also traveling in a small circle., c. Had the planets orbiting the Sun., d. Had the planets orbiting the Sun also with a retrograde motion. | b |
9,713 | NDQ_005748 | revolutions of earth | keplers solar system model | null | null | Multiple Choice | a. Has the sun in the center., b. Has the planets moving in elliptical orbits., c. Matches observations perfectly., d. All of the above | d |
9,714 | NDQ_005749 | revolutions of earth | copernicus proposed that the planets orbit the sun, the heliocentric model. | null | null | Multiple Choice | a. True, b. False | a |
9,715 | NDQ_005750 | revolutions of earth | through the first-ever telescope, galileo discovered | null | null | Multiple Choice | a. The elliptical orbits of the planets., b. Mercury has phases like the Moon., c. Jupiter is orbited by moons., d. All of these. | c |
9,716 | NDQ_005751 | rocks | which one of these is not a description of texture? | null | null | Multiple Choice | a. Size, b. Shape, c. Arrangement of mineral grains, d. Color | d |
9,717 | NDQ_005752 | rocks | a rock made of grains that are so tiny they cannot be seen without a microscope is a rock, but it is not made of minerals. | null | null | Multiple Choice | a. True, b. False | b |
9,718 | NDQ_005753 | rocks | how does diorite differ from andesite? | null | null | Multiple Choice | a. Different minerals are present., b. Very different colors., c. Crystal size., d. Composition of magma they cooled from. | c |
9,719 | NDQ_005754 | rocks | not all rocks contain grains that fit the definition of a mineral. | null | null | Multiple Choice | a. True, b. False | a |
9,720 | NDQ_005755 | rocks | two different rock types must always different in their | null | null | Multiple Choice | a. Composition, b. Texture, c. Both composition and texture., d. Composition and texture, or composition or texture. | a |
9,721 | NDQ_005756 | rocks | rocks are identified primarily by | null | null | Multiple Choice | a. Their minerals and texture, b. The size and shape of their minerals, c. Their color, d. The arrangement of their mineral grains | a |
9,722 | NDQ_005757 | rocks | _______________________ is a naturally formed, non-living earth material. | null | null | Multiple Choice | a. Rock, b. Coal, c. Fossil, d. Concrete | a |
9,723 | NDQ_005758 | rocks | which one of these rocks does not contain minerals? | null | null | Multiple Choice | a. Diorite, b. Granite, c. Coal, d. Pegmatite | c |
9,724 | NDQ_005759 | rocks | diorite is a rock cooled from | null | null | Multiple Choice | a. Lava, b. Magma, c. Metamorphic rocks, d. The core | b |
9,725 | NDQ_005760 | rocks | the difference between diorite and andesite is | null | null | Multiple Choice | a. Andesite cooled from erupted magma and diorite cooled from magma underground, b. Both rocks cooled from erupted magma, c. Both rocks cooled from magma underground, d. Andesite cooled from magma underground and diorite cooled from erupted magma | a |
9,726 | NDQ_005761 | rocks and processes of the rock cycle | all rocks and rock types are part of the rock cycle. | null | null | Multiple Choice | a. True, b. False | a |
9,727 | NDQ_005762 | rocks and processes of the rock cycle | rocks are classified into four major groups, reflecting how they formed: intrusive, extrusive, metamorphic and sedimentary. | null | null | Multiple Choice | a. True, b. False | b |
9,728 | NDQ_005763 | rocks and processes of the rock cycle | what determines the type of igneous rock that forms from magma? | null | null | Multiple Choice | a. The heat and pressure the magma is exposed to., b. Whether the magma enters water before it cools, c. Magma composition and cooling rate, d. The amount of compaction and cementation that affect the rock. | c |
9,729 | NDQ_005764 | rocks and processes of the rock cycle | which of the following characteristics of a rock is affected by the cooling rate of magma? | null | null | Multiple Choice | a. The rock’s color., b. The rock’s texture., c. The rock’s hardness., d. The rock’s chemical composition. | b |
9,730 | NDQ_005765 | rocks and processes of the rock cycle | which of the following is a process of the rock cycle? | null | null | Multiple Choice | a. Weathering, b. Crystallization, c. Metamorphosis, d. All of these | d |
9,731 | NDQ_005766 | rocks and processes of the rock cycle | a rock is heated so much that it melts. what type of rock will it become? | null | null | Multiple Choice | a. Igneous, b. Metamorphic, c. Sedimentary, d. Fossil | a |
9,732 | NDQ_005768 | rocks and processes of the rock cycle | in crystallization, slower cooling forms smaller crystals. | null | null | Multiple Choice | a. True, b. False | b |
9,733 | NDQ_005769 | rocks and processes of the rock cycle | _________________ happens when solid material separates out of a liquid, usually when the liquid evaporates. | null | null | Multiple Choice | a. Weathering, b. Erosion, c. Sedimentation, d. Precipitation | d |
9,734 | NDQ_005770 | rocks and processes of the rock cycle | a rock transforms from one type to another by the processes of the rock cycle, but once it is transformed it is out of the rock cycle. | null | null | Multiple Choice | a. True, b. False | b |
9,735 | NDQ_005781 | rotation of earth | this french scientist used a pendulum, which help to confirm earths movement | null | null | Multiple Choice | a. Einstein, b. Newton, c. Foucault, d. Galileo | c |
9,736 | NDQ_005782 | rotation of earth | an imaginary line that runs through the center of the earth from the north to the south pole. | null | null | Multiple Choice | a. Geographic Pole, b. Magnetic Pole, c. Axis, d. Equator | c |
9,737 | NDQ_005783 | rotation of earth | the earth rotates on its axis every | null | null | Multiple Choice | a. 60 minutes, b. 24 hours, c. 365 days, d. 60 seconds | b |
9,738 | NDQ_005784 | rotation of earth | the sun appears to move across the sky from west to east each day. | null | null | Multiple Choice | a. True, b. False | b |
9,739 | NDQ_005785 | rotation of earth | a molecule at the equator rotates extremely fast, but a molecule at the south pole barely moves at all. | null | null | Multiple Choice | a. True, b. False | a |
9,740 | NDQ_005786 | rotation of earth | these things differ by location: | null | null | Multiple Choice | a. Sunrise and sunset., b. The length of day and night., c. The amount of daylight and darkness., d. All of these. | d |
9,741 | NDQ_005787 | rotation of earth | a pendulum in paris confirmed the existence of | null | null | Multiple Choice | a. Earth’s rotation., b. Earth’s magnetic field., c. The geocentric model, d. The Equator. | a |
9,742 | NDQ_005788 | rotation of earth | the earth rotational speed is about | null | null | Multiple Choice | a. 700 km per hour, b. 1,000 km per hour, c. 1,700 km per hour, d. 2,000 km per hour | a |
9,743 | NDQ_005789 | rotation of earth | shadows can be cast by | null | null | Multiple Choice | a. Any strong light source., b. Only the Sun., c. Only the Sun and Moon., d. Only Mercury and Venus. | a |
9,744 | NDQ_005790 | rotation of earth | the direction that the stars appear to move across the sky is due to earths rotation. | null | null | Multiple Choice | a. True, b. False | a |
9,745 | NDQ_005791 | safety of water | this sacred river india is sacred has affects 400 million people that depend on it. | null | null | Multiple Choice | a. The Zambezi, b. The Ganges, c. The Yarra, d. The Volga | b |
9,746 | NDQ_005792 | safety of water | ________________ of all people in the world have access to safe water for drinking, personal cleanliness, and domestic use. | null | null | Multiple Choice | a. One-half, b. One-third, c. One-fourth, d. One-fifth | d |
9,747 | NDQ_005793 | safety of water | pathogens are _________________. | null | null | Multiple Choice | a. Infectious living things., b. Toxic chemicals., c. Radioactive materials., d. All of the above | a |
9,748 | NDQ_005794 | safety of water | toxic bacteria can quickly become dangerous because ____________. | null | null | Multiple Choice | a. Their population increases exponentially., b. They are tiny., c. They stay in one place and infect everyone nearby., d. All of these. | a |
9,749 | NDQ_005795 | safety of water | in many nations diseases carried in drinking water are the leading cause of death for children under the age of five. | null | null | Multiple Choice | a. True, b. False | a |
9,750 | NDQ_005796 | safety of water | more than ___________ people die every day from waterborne disease. | null | null | Multiple Choice | a. 10,000, b. 11,000, c. 12,000, d. 14,000 | d |
9,751 | NDQ_005797 | safety of water | which of these is an example of a waterborne disease? | null | null | Multiple Choice | a. Small pox, b. The flu, c. Cholera, d. The cold | c |
9,752 | NDQ_005798 | safety of water | dracunculiasis spreads when people drink adult guinea worms. | null | null | Multiple Choice | a. True, b. False | b |
9,753 | NDQ_005799 | safety of water | the solution to stopping the spread of waterborne diseases is always large, expensive public work projects. | null | null | Multiple Choice | a. True, b. False | b |
9,754 | NDQ_005800 | safety of water | people in developed nations dont think much about waterborne diseases because our water is treated and is almost always safe to drink. | null | null | Multiple Choice | a. True, b. False | a |
9,755 | NDQ_005801 | satellites shuttles and space stations | this is propelled into space by particles flying out one end at high speed. | null | null | Multiple Choice | a. Plane, b. Rocket, c. Satellite, d. Helicopter | b |
9,756 | NDQ_005802 | satellites shuttles and space stations | which of newtons laws of motion explains rocket propulsion? | null | null | Multiple Choice | a. First, b. Second, c. Third, d. Fourth | c |
9,757 | NDQ_005803 | satellites shuttles and space stations | any object that orbits a larger object is a(n) | null | null | Multiple Choice | a. Earth, b. Moon, c. Satellite, d. Plane | c |
9,758 | NDQ_005804 | satellites shuttles and space stations | imaging satellites | null | null | Multiple Choice | a. Take photos of Earth for scientific or military purposes., b. Are used only to study Earth., c. Transmit images to satellite dishes for television sets., d. None of these. | a |
9,759 | NDQ_005805 | satellites shuttles and space stations | gps uses this type of satellite. | null | null | Multiple Choice | a. Communications satellite, b. Imaging Satellite, c. Navigational Satellite, d. The International Space Station | c |
9,760 | NDQ_005806 | satellites shuttles and space stations | the largest artificial satellite, which is designed for human habitation is | null | null | Multiple Choice | a. Human-Occupied Satellite, b. Imaging Satellite, c. Navigational Satellite, d. The International Space Station | d |
9,761 | NDQ_005807 | satellites shuttles and space stations | satellites used for televisions and phones are | null | null | Multiple Choice | a. Carry a lot of cargo., b. Take people to a space station., c. Be used many times., d. All of these. | d |
9,762 | NDQ_005808 | satellites shuttles and space stations | for every action there is an equal and opposite reaction, also known as thrust. | null | null | Multiple Choice | a. True, b. False | a |
9,763 | NDQ_005809 | satellites shuttles and space stations | the main purpose of the international space station is | null | null | Multiple Choice | a. Peace negotiations between Europe, the United States and Russia., b. Scientific research., c. Breaking the record for days in space by a human., d. Breaking the record for days in space by a number of humans. | b |
9,764 | NDQ_005810 | saturn | saturn is | null | null | Multiple Choice | a. The only planet with rings that we can see from Earth., b. The densest planet., c. The most massive planet., d. All of these. | a |
9,765 | NDQ_005811 | saturn | if you could find a bathtub big enough, you could put enough water to float saturn in it. | null | null | Multiple Choice | a. True, b. False | a |
9,766 | NDQ_005812 | saturn | saturns rings are connected to the planet. | null | null | Multiple Choice | a. True, b. False | b |
9,767 | NDQ_005813 | saturn | what makes up saturns rings? | null | null | Multiple Choice | a. Water, b. Ice, c. Dust and rocks, d. All of the above | d |
9,768 | NDQ_005814 | saturn | enceladus could be home to life because it has | null | null | Multiple Choice | a. Internal heat., b. Methane., c. Water ice., d. All of the above. | a |
9,769 | NDQ_005815 | saturn | saturns atmosphere | null | null | Multiple Choice | a. Has a Great Red Spot like Jupiter., b. Has clouds in different colored bands., c. Has thunder and lightning., d. All of the above. | c |
9,770 | NDQ_005816 | saturn | saturns rings | null | null | Multiple Choice | a. Were first seen by Galileo through his telescope., b. Appear tilted because Saturn is tilted., c. Have gaps due to the gravitational pull of Saturn or its moons., d. All of the above. | d |
9,771 | NDQ_005817 | saturn | saturns atmosphere is just as stormy s jupiters. | null | null | Multiple Choice | a. True, b. False | b |
9,772 | NDQ_005818 | saturn | scientists are interested in titan because | null | null | Multiple Choice | a. It is very likely to have microbial life., b. Its atmosphere is similar to Earth’s early atmosphere., c. It is the same size as Earth., d. All of these. | b |
9,773 | NDQ_005819 | saturn | scientists are certain that saturns rings formed when one if its moons broke apart. | null | null | Multiple Choice | a. True, b. False | b |
9,774 | NDQ_005860 | scientific models | which of these are types of scientific models? | null | null | Multiple Choice | a. Conceptual, b. Mathematical, c. Physical, d. All of the above | d |
9,775 | NDQ_005862 | scientific models | a globe is an example of a | null | null | Multiple Choice | a. Mathematical model, b. Conceptual model, c. Physical model, d. None of the above | c |
9,776 | NDQ_005863 | scientific models | models | null | null | Multiple Choice | a. Are useful tools, b. Are used to make predictions, c. Have limitations, d. All of the above | d |
9,777 | NDQ_005864 | scientific models | models can be used to make predictions. | null | null | Multiple Choice | a. True, b. False | a |
9,778 | NDQ_005865 | scientific models | which of the models is likely to be most accurate? | null | null | Multiple Choice | a. Mathematical model, b. Conceptual model, c. One that can predict the present., d. One that has the least detail. | c |
9,779 | NDQ_005866 | scientific models | what are some limitations of models? | null | null | Multiple Choice | a. Models only show a portion of a system., b. Are more complicated than the real object or system., c. Include too many variables that affect predictions., d. All of these. | a |
9,780 | NDQ_005867 | scientific models | a map of the entire world is an accurate physical model. | null | null | Multiple Choice | a. True, b. False | b |
9,781 | NDQ_005869 | scientific models | computers that use mathematical models to predict the weather are always accurate. | null | null | Multiple Choice | a. True, b. False | b |
9,782 | NDQ_005870 | seafloor spreading hypothesis | the evidence that old seafloor is destroyed at deep-sea trenches includes | null | null | Multiple Choice | a. Heat flow is high at the trenches., b. Magnetic stripes end at the trenches., c. The crust is very thin at the trenches., d. All of the above | b |
9,783 | NDQ_005871 | seafloor spreading hypothesis | why did harry hess call his paper describing plate tectonics an essay in geopoetry? | null | null | Multiple Choice | a. Some of the data fit and some needed poetic license to make part of the story., b. The ideas presented were just a fantasy., c. The data all fit together so well, that it hardly seemed possible., d. He wrote the paper in rhyme. | c |
9,784 | NDQ_005872 | seafloor spreading hypothesis | flat-topped underwater mountains are called | null | null | Multiple Choice | a. Guyots, b. Plateaus, c. Mid-ocean ridges, d. Mesas | a |
9,785 | NDQ_005873 | seafloor spreading hypothesis | the alternating stripes of normal and reverse magnetism in seafloor basalts on the sides of the mid-ocean ridges led to the idea of | null | null | Multiple Choice | a. Magnetic Rifting, b. Continental Drift, c. Plate Drift, d. Seafloor spreading | d |
9,786 | NDQ_005874 | seafloor spreading hypothesis | older crust is hot and more buoyant than younger crust. | null | null | Multiple Choice | a. True, b. False | b |
9,787 | NDQ_005875 | seafloor spreading hypothesis | harry hess suggested that guyots were | null | null | Multiple Choice | a. Eroded mountains that remained stationary as sea level rose., b. Eroded beaches that sank below sea level., c. Volcanoes that were exposed to erosion above sea level and then sunk., d. None of these. | c |
9,788 | NDQ_005876 | seafloor spreading hypothesis | the mechanism for continental drift that wegener never knew about is | null | null | Multiple Choice | a. Gases, b. Convection currents, c. Conveyor Belts, d. Gravity | b |
9,789 | NDQ_005877 | seafloor spreading hypothesis | harry hess suggested that old oceanic crust was | null | null | Multiple Choice | a. Recycled back into the mantle., b. Adhered onto the continents., c. Created at mid-ocean ridges., d. The source of the flat-topped guyots. | a |
9,790 | NDQ_005878 | seafloor spreading hypothesis | the rock made underwater from cooled lava is basalt. | null | null | Multiple Choice | a. True, b. False | a |
9,791 | NDQ_005879 | seafloor spreading hypothesis | how do continents move? | null | null | Multiple Choice | a. Seafloor spreading creates new seafloor, which grows up to be new continents that move away from the ridge., b. Convection currents create seafloor spreading, which pushes the lithospheric plate and, c. Eruptions of lava at deep-sea trenches create continents, which move across the seafloor., d. None of these. | b |
9,792 | NDQ_005880 | seasons | the reasons for the seasons is | null | null | Multiple Choice | a. Earth’s elliptical orbit., b. Different output of solar radiation., c. Gravitational pull of the moon., d. The tilt of Earth’s axis. | d |
9,793 | NDQ_005881 | seasons | this refers to when the position of the sun is closest to one of the poles. | null | null | Multiple Choice | a. Equinox, b. Solstice, c. Summer, d. Winter | b |
9,794 | NDQ_005882 | seasons | during the summer, we experience shorter days and longer nights. | null | null | Multiple Choice | a. True, b. False | b |
9,795 | NDQ_005883 | seasons | this area has relatively the same amount of sunlight through the year. | null | null | Multiple Choice | a. North Pole, b. South Pole, c. Equator, d. Axis | c |
9,796 | NDQ_005884 | seasons | the part of earth that receives the most solar radiation over a year is | null | null | Multiple Choice | a. The Tropic of Cancer, b. The Equator, c. The North Pole, d. Every place receives the same amount. | b |
9,797 | NDQ_005885 | seasons | during the winter solstice | null | null | Multiple Choice | a. Earth’s axis in the Northern Hemisphere tilts away from the sun., b. The days and nights are the same length., c. The sun is directly above the equator., d. All of the above | a |
9,798 | NDQ_005886 | seasons | which is true about the equinox? | null | null | Multiple Choice | a. It is halfway between the two solstices., b. The daylight and the nighttime hours are exactly equal., c. There is a vernal and an autumnal one., d. All of the above | c |
9,799 | NDQ_005887 | seasons | the time when daylight and nighttime hours are exactly equal. | null | null | Multiple Choice | a. Solstice, b. Equality, c. Hemisphere, d. Equinox | d |
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