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7,700 | NDQ_002171 | recent space exploration | Skylab studied the effects of staying in space for long periods of time | null | null | Multiple Choice | a. true, b. false | a |
7,701 | NDQ_002172 | recent space exploration | A space shuttle includes an orbiter, fuel tank, and booster rockets. | null | null | Multiple Choice | a. true, b. false | a |
7,702 | NDQ_002173 | recent space exploration | The space shuttle program flew a total of 10 missions. | null | null | Multiple Choice | a. true, b. false | b |
7,703 | NDQ_002174 | recent space exploration | The last space shuttle was retired in 2001. | null | null | Multiple Choice | a. true, b. false | b |
7,704 | NDQ_002175 | recent space exploration | Space shuttle disasters caused NASA to focus on missions without crews. | null | null | Multiple Choice | a. true, b. false | a |
7,705 | NDQ_002176 | recent space exploration | Saturns moon Titan has some of the conditions needed to support life. | null | null | Multiple Choice | a. true, b. false | a |
7,706 | NDQ_002177 | recent space exploration | The Stardust mission collected dust particles from the surface of Mars. | null | null | Multiple Choice | a. true, b. false | b |
7,707 | NDQ_002178 | recent space exploration | Private companies will play more of role in future space missions. | null | null | Multiple Choice | a. true, b. false | a |
7,708 | NDQ_002187 | planet earth | An imaginary line running through the poles of Earth is called | null | null | Multiple Choice | a. orbit, b. pole, c. magnetic pole, d. axis | d |
7,709 | NDQ_002189 | planet earth | How long does it take the Earth to make one rotation on its axis? | null | null | Multiple Choice | a. one day, b. one month, c. one year, d. one week | a |
7,710 | NDQ_002191 | planet earth | How many degrees does the Earth turn in one day? | null | null | Multiple Choice | a. 90 degrees, b. 180 degrees, c. 360 degrees, d. 1080 degrees | c |
7,711 | NDQ_002192 | planet earth | What causes Earths seasons? | null | null | Multiple Choice | a. the planets rotation, b. the planets tilt, c. the planets revolution, d. the planets orbit | b |
7,712 | NDQ_002195 | planet earth | Earths magnetic field is due to | null | null | Multiple Choice | a. the movement of metal in Earths outer core, b. a bar magnet that is lodged between the magnetic poles, c. the force of the Suns magnetic field, d. mantle convection | a |
7,713 | NDQ_002200 | planet earth | Earth is the only planet in the solar system known to have liquid water. | null | null | Multiple Choice | a. true, b. false | a |
7,714 | NDQ_002203 | planet earth | All objects in the solar system have gravitational attraction to each other. | null | null | Multiple Choice | a. true, b. false | a |
7,715 | NDQ_002204 | planet earth | If you look at Earth from the North Pole, the planet spins in a clockwise direction. | null | null | Multiple Choice | a. true, b. false | b |
7,716 | NDQ_002205 | planet earth | Earth is divided into four hemispheres. | null | null | Multiple Choice | a. true, b. false | b |
7,717 | NDQ_002206 | planet earth | The moon appears to rise in the east because Earth rotates from east to west. | null | null | Multiple Choice | a. true, b. false | b |
7,718 | NDQ_002207 | planet earth | Leap year is needed because Earth takes more than 365 days to orbit the Sun. | null | null | Multiple Choice | a. true, b. false | a |
7,719 | NDQ_002208 | planet earth | Earth tilts about 3 degrees on its axis. | null | null | Multiple Choice | a. true, b. false | b |
7,720 | NDQ_002209 | planet earth | Winter begins in the Southern Hemisphere on June 21. | null | null | Multiple Choice | a. true, b. false | a |
7,721 | NDQ_002210 | planet earth | Earth gets more gravitational pull from the Sun than the Moon because it is larger. | null | null | Multiple Choice | a. true, b. false | b |
7,722 | NDQ_002211 | planet earth | The longest day in the Northern Hemisphere occurs on June 21. | null | null | Multiple Choice | a. true, b. false | a |
7,723 | NDQ_002212 | planet earth | The planets move in fixed paths around the Sun. | null | null | Multiple Choice | a. true, b. false | a |
7,724 | NDQ_002213 | planet earth | The Earths mostly iron crust produces the magnetic field. | null | null | Multiple Choice | a. true, b. false | b |
7,725 | NDQ_002214 | planet earth | To make one complete rotation takes Earth 365.24 days. | null | null | Multiple Choice | a. true, b. false | b |
7,726 | NDQ_002215 | planet earth | Planets closer to the sun that Earth have shorter years. | null | null | Multiple Choice | a. true, b. false | a |
7,727 | NDQ_002216 | planet earth | The hemisphere that receives less direct rays of sunlight is cooler. | null | null | Multiple Choice | a. true, b. false | a |
7,728 | NDQ_002217 | planet earth | all of the water on Earth | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | d |
7,729 | NDQ_002218 | planet earth | half of a sphere | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | c |
7,730 | NDQ_002219 | planet earth | spinning motion around an axis | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | g |
7,731 | NDQ_002220 | planet earth | all of the living organisms on Earth | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | b |
7,732 | NDQ_002221 | planet earth | imaginary line passing through the poles of a planet | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | a |
7,733 | NDQ_002222 | planet earth | all of the solid rock of Earth | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | e |
7,734 | NDQ_002223 | planet earth | movement in an orbit around a larger body | null | null | Multiple Choice | a. axis, b. biosphere, c. hemisphere, d. hydrosphere, e. lithosphere, f. revolution, g. rotation | f |
7,735 | NDQ_002224 | planet earth | The outer planets of the solar system are giant balls of | null | null | Multiple Choice | a. solid ice., b. dense rock., c. liquid water., d. swirling gas. | d |
7,736 | NDQ_002225 | planet earth | Without gravity, the moon would | null | null | Multiple Choice | a. drop to Earths surface., b. start orbiting the sun., c. fly off into space., d. shrink in size. | c |
7,737 | NDQ_002226 | planet earth | The strength of the force of gravity between two objects depends on their | null | null | Multiple Choice | a. mass., b. speed., c. distance apart., d. two of the above | d |
7,738 | NDQ_002227 | planet earth | Which statement about Earths magnetic field is false? | null | null | Multiple Choice | a. It extends into space., b. It is caused by gravity., c. It has north and south poles., d. It shields Earth from harmful radiation. | b |
7,739 | NDQ_002228 | planet earth | Earths motions contribute to | null | null | Multiple Choice | a. tides., b. seasons., c. day and night., d. all of the above | d |
7,740 | NDQ_002229 | planet earth | The side of Earth facing away from the sun is always | null | null | Multiple Choice | a. in the dark., b. experiencing winter., c. cooler than the other side., d. two of the above | a |
7,741 | NDQ_002230 | planet earth | Earth has seasons because | null | null | Multiple Choice | a. it tilts on its axis., b. its orbit is elliptical., c. it rotates on its axis., d. its distance from the sun varies. | a |
7,742 | NDQ_002231 | earths moon | A total of six spaceships have landed on the moon. | null | null | Multiple Choice | a. true, b. false | a |
7,743 | NDQ_002232 | earths moon | The flat dark areas on the Moon are | null | null | Multiple Choice | a. lavas, b. dried lake beds, c. dried ocean basins, d. seawater | a |
7,744 | NDQ_002233 | earths moon | There are no current plans for returning to the moon. | null | null | Multiple Choice | a. true, b. false | a |
7,745 | NDQ_002234 | earths moon | What are the lighter areas on the Moon? | null | null | Multiple Choice | a. maria, b. craters, c. lakes, d. mountain ranges | d |
7,746 | NDQ_002235 | earths moon | The moons gravity is about half as strong as Earths gravity. | null | null | Multiple Choice | a. true, b. false | b |
7,747 | NDQ_002236 | earths moon | What is the dominant feature on the lunar surface? | null | null | Multiple Choice | a. volcanoes, b. craters, c. river basins, d. fault lines | b |
7,748 | NDQ_002237 | earths moon | The Moon has more extreme temperatures than Earth because it | null | null | Multiple Choice | a. is closer to the Sun, b. rotates faster on its axis, c. doesnt have an atmosphere, d. has higher internal heat | c |
7,749 | NDQ_002238 | earths moon | It takes the moon the same amount of time to make one rotation as it does to make one revolution. | null | null | Multiple Choice | a. true, b. false | a |
7,750 | NDQ_002239 | earths moon | The far side of the moon has been seen only from spacecraft. | null | null | Multiple Choice | a. true, b. false | a |
7,751 | NDQ_002240 | earths moon | The interior structure of the Moon is | null | null | Multiple Choice | a. exactly like Earths, b. higher in metal, c. different on the near and far sides, d. the same as Earths but with less core | d |
7,752 | NDQ_002242 | earths moon | Most lunar maria are on the far side of the moon. | null | null | Multiple Choice | a. true, b. false | b |
7,753 | NDQ_002243 | earths moon | Natural processes continually alter the moons surface. | null | null | Multiple Choice | a. true, b. false | b |
7,754 | NDQ_002245 | earths moon | Lunar highlands are made of light-colored rocks. | null | null | Multiple Choice | a. true, b. false | a |
7,755 | NDQ_002248 | earths moon | There are rivers but no lakes on the moon. | null | null | Multiple Choice | a. true, b. false | b |
7,756 | NDQ_002250 | earths moon | Astronauts brought moon rocks back to Earth. | null | null | Multiple Choice | a. true, b. false | a |
7,757 | NDQ_002251 | earths moon | The Moon is Earths only natural satellite. | null | null | Multiple Choice | a. true, b. false | a |
7,758 | NDQ_002252 | earths moon | Astronauts last visited the moon in | null | null | Multiple Choice | a. 1962., b. 1972., c. 1982., d. 1992. | b |
7,759 | NDQ_002253 | earths moon | Most of the maria are on the Moons near side. | null | null | Multiple Choice | a. true, b. false | a |
7,760 | NDQ_002254 | earths moon | The moons size is | null | null | Multiple Choice | a. [U+215B] the size of Earth., b. 14 the size of Earth., c. 12 the size of Earth., d. 43 the size of Earth. | b |
7,761 | NDQ_002255 | earths moon | The surface of the moon always looks the same because the moon has no | null | null | Multiple Choice | a. gravity., b. weather., c. running water., d. two of the above | d |
7,762 | NDQ_002256 | earths moon | The lunar crust is thicker on the far side than on the near side. | null | null | Multiple Choice | a. true, b. false | a |
7,763 | NDQ_002257 | earths moon | The coldest temperatures on the moon are found | null | null | Multiple Choice | a. deep in craters., b. at the north pole., c. where the sun never shines., d. two of the above | d |
7,764 | NDQ_002258 | earths moon | The Moon rotates on its axis once for every orbit it makes around the Sun. | null | null | Multiple Choice | a. true, b. false | b |
7,765 | NDQ_002259 | earths moon | You would weigh six times as much on the Moon as on Earth. | null | null | Multiple Choice | a. true, b. false | b |
7,766 | NDQ_002260 | earths moon | Which statement about lunar maria is false? | null | null | Multiple Choice | a. They are still forming., b. They look dark from Earth., c. They formed billions of years ago., d. They formed when magma filled craters. | a |
7,767 | NDQ_002261 | earths moon | Which of the following would you not expect to find on the moon? | null | null | Multiple Choice | a. ice, b. dirt, c. bacteria, d. water molecules | c |
7,768 | NDQ_002262 | earths moon | You could find oxygen on the moon if you analyzed the | null | null | Multiple Choice | a. core., b. crust., c. atmosphere., d. none of the above | b |
7,769 | NDQ_002263 | earths moon | surface features of a moon or planet | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | e |
7,770 | NDQ_002264 | earths moon | highlands on the moon | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | c |
7,771 | NDQ_002265 | earths moon | cause of lunar craters | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | g |
7,772 | NDQ_002266 | earths moon | related to the moon | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | a |
7,773 | NDQ_002267 | earths moon | flat areas of lava on the moons surface | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | b |
7,774 | NDQ_002268 | earths moon | bowl-shaped basin on the moons surface | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | d |
7,775 | NDQ_002269 | earths moon | cause of lunar maria | null | null | Multiple Choice | a. lunar, b. maria, c. terrae, d. crater, e. landscape, f. meteorites, g. asteroids | f |
7,776 | NDQ_002278 | the sun | The layer that shows beyond the Moon in a solar eclipse is the | null | null | Multiple Choice | a. corona, b. photosphere, c. radiative zone, d. prominence zone | a |
7,777 | NDQ_002280 | the sun | Which layer of the Sun contains slow moving photons? | null | null | Multiple Choice | a. corona, b. core, c. radiative zone, d. convection zone | c |
7,778 | NDQ_002282 | the sun | Most atoms in the Sun exist as | null | null | Multiple Choice | a. photons, b. plasma, c. light, d. silicate minerals | b |
7,779 | NDQ_002283 | the sun | The energy that powers the Sun comes from | null | null | Multiple Choice | a. hydrogen fusing into helium, b. radioactivity, c. helium fusing into heavier elements, d. nuclear fission | a |
7,780 | NDQ_002286 | the sun | Cool areas where the magnetic field disrupts the surface are | null | null | Multiple Choice | a. solar flares, b. solar prominences, c. solar winds, d. sunspots | d |
7,781 | NDQ_002291 | the sun | The sun makes up over 99 percent of the mass of the solar system. | null | null | Multiple Choice | a. true, b. false | a |
7,782 | NDQ_002294 | the sun | The suns core is made of solid rock. | null | null | Multiple Choice | a. true, b. false | b |
7,783 | NDQ_002296 | the sun | The sun has no atmosphere. | null | null | Multiple Choice | a. true, b. false | b |
7,784 | NDQ_002297 | the sun | The Suns core is molten metal. | null | null | Multiple Choice | a. true, b. false | b |
7,785 | NDQ_002298 | the sun | The suns energy comes from reactions in which hydrogen changes to helium. | null | null | Multiple Choice | a. true, b. false | a |
7,786 | NDQ_002299 | the sun | A solar flare can knock out power grids on Earth. | null | null | Multiple Choice | a. true, b. false | a |
7,787 | NDQ_002300 | the sun | Energy travels through the radiative zone of the sun at the speed of light. | null | null | Multiple Choice | a. true, b. false | b |
7,788 | NDQ_002301 | the sun | The part of the sun that we see shining is the convective zone. | null | null | Multiple Choice | a. true, b. false | b |
7,789 | NDQ_002302 | the sun | The Sun makes up 99.8% of the mass of the solar system. | null | null | Multiple Choice | a. true, b. false | a |
7,790 | NDQ_002303 | the sun | The corona is the coolest layer of the sun. | null | null | Multiple Choice | a. true, b. false | b |
7,791 | NDQ_002304 | the sun | The Sun does not have a defined outer boundary. | null | null | Multiple Choice | a. true, b. false | a |
7,792 | NDQ_002305 | the sun | Plasma is a solid. | null | null | Multiple Choice | a. true, b. false | b |
7,793 | NDQ_002306 | the sun | Sunspots occur because of magnetic activity of the sun. | null | null | Multiple Choice | a. true, b. false | a |
7,794 | NDQ_002307 | the sun | Solar wind is dangerous to spacecraft and astronauts. | null | null | Multiple Choice | a. true, b. false | a |
7,795 | NDQ_002308 | the sun | Solar prominences are mountains on the suns surface. | null | null | Multiple Choice | a. true, b. false | b |
7,796 | NDQ_002309 | the sun | Most of the atoms of the sun exist as | null | null | Multiple Choice | a. solids., b. liquids., c. gases., d. plasma. | d |
7,797 | NDQ_002310 | the sun | Most of the solar system is powered by energy that originates in the suns | null | null | Multiple Choice | a. core., b. corona., c. photosphere., d. chromosphere. | a |
7,798 | NDQ_002311 | the sun | Energy travels through the radiative zone of the sun as particles called | null | null | Multiple Choice | a. photons., b. protons., c. plasmas., d. none of the above | a |
7,799 | NDQ_002312 | the sun | Which of the following statements about sunspots is false? | null | null | Multiple Choice | a. They usually occur in pairs., b. They repeat in 11-year cycles., c. They disrupt heat transfer in the sun., d. They are storms on the suns surface. | d |
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