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7,900 | NDQ_002449 | inner planets | Mars does not usually have liquid water on its surface because the | null | null | Multiple Choice | a. air of the planets atmosphere is too dense., b. pressure of the planets atmosphere is too low., c. temperature of the planets surface is too high., d. two of the above | a |
7,901 | NDQ_002450 | inner planets | The largest canyon in the solar system is found on | null | null | Multiple Choice | a. Mars., b. Earth., c. Venus., d. Mercury. | a |
7,902 | NDQ_002451 | inner planets | None of the inner planets of the solar system has rings. | null | null | Multiple Choice | a. true, b. false | a |
7,903 | NDQ_002452 | inner planets | Compared with the outer planets, the inner planets spin more quickly. | null | null | Multiple Choice | a. true, b. false | b |
7,904 | NDQ_002453 | inner planets | All of the inner planets are made of cooled igneous rock. | null | null | Multiple Choice | a. true, b. false | a |
7,905 | NDQ_002454 | inner planets | Each year on Mercury lasts just 58 Earth days. | null | null | Multiple Choice | a. true, b. false | b |
7,906 | NDQ_002455 | inner planets | Most of Mercury is extremely wet. | null | null | Multiple Choice | a. true, b. false | b |
7,907 | NDQ_002456 | inner planets | Clouds on Venus contain sulfur. | null | null | Multiple Choice | a. true, b. false | a |
7,908 | NDQ_002457 | inner planets | A day on Venus is longer than a year on Venus. | null | null | Multiple Choice | a. true, b. false | a |
7,909 | NDQ_002458 | inner planets | Life could evolve on Earth because its atmosphere contained oxygen. | null | null | Multiple Choice | a. true, b. false | b |
7,910 | NDQ_002459 | inner planets | Some features on Mars surface look as though they were eroded by water. | null | null | Multiple Choice | a. true, b. false | a |
7,911 | NDQ_002460 | inner planets | Mars moons were meteorites that were captured by Martian gravity. | null | null | Multiple Choice | a. true, b. false | b |
7,912 | NDQ_002461 | outer planets | The heat to create liquid water on Europa is from | null | null | Multiple Choice | a. radioactive decay, b. its molten core, c. the Sun, d. the gravitational pull of Jupiter | d |
7,913 | NDQ_002462 | outer planets | Saturn is the only planet with rings. | null | null | Multiple Choice | a. true, b. false | b |
7,914 | NDQ_002463 | outer planets | Jupiter may have a small rocky core. | null | null | Multiple Choice | a. true, b. false | a |
7,915 | NDQ_002464 | outer planets | What are Saturns rings? | null | null | Multiple Choice | a. ice and dust, b. a broken up moon, c. a magnetic field, d. captured asteroids | a |
7,916 | NDQ_002465 | outer planets | Jupiter has fewer than 30 moons. | null | null | Multiple Choice | a. true, b. false | b |
7,917 | NDQ_002466 | outer planets | What is the Great Red Spot? | null | null | Multiple Choice | a. Iron oxide in the asteroid belt, b. A giant storm on Jupiter, c. The planet Mars, d. An enormous volcano on Neptune | b |
7,918 | NDQ_002467 | outer planets | How was Neptune discovered? | null | null | Multiple Choice | a. through a radio telescope, b. by the Hubble Space telescope, c. Uranus orbit was unexpected, d. because it wanders across the sky like the other planets | c |
7,919 | NDQ_002468 | outer planets | Jupiters moon Europa has some conditions suitable for life. | null | null | Multiple Choice | a. true, b. false | a |
7,920 | NDQ_002469 | outer planets | Thunderstorms have been observed on Uranus. | null | null | Multiple Choice | a. true, b. false | b |
7,921 | NDQ_002470 | outer planets | Why are Uranus and Neptune blue? | null | null | Multiple Choice | a. They are composed of solid water ice., b. Methane in their atmosphere filters out red light., c. They are covered by blue oceans., d. They are covered by blue algae. | b |
7,922 | NDQ_002471 | outer planets | Saturns rings were first observed by the Hubble space telescope. | null | null | Multiple Choice | a. true, b. false | b |
7,923 | NDQ_002474 | outer planets | Uranus is tilted sideways because of the pull of Neptunes gravity. | null | null | Multiple Choice | a. true, b. false | b |
7,924 | NDQ_002475 | outer planets | Neptune is so far from Earth that it can be seen only with a telescope. | null | null | Multiple Choice | a. true, b. false | a |
7,925 | NDQ_002478 | outer planets | Scientists think that Neptunes moon Triton was once part of Neptune. | null | null | Multiple Choice | a. true, b. false | b |
7,926 | NDQ_002480 | outer planets | largest planet in the solar system | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | e |
7,927 | NDQ_002481 | outer planets | It takes Jupiter 5 Earth years to make one orbit around the Sun. | null | null | Multiple Choice | a. true, b. false | b |
7,928 | NDQ_002482 | outer planets | only planet that is tilted on its side | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | g |
7,929 | NDQ_002483 | outer planets | Most moons in the solar system are captured asteroids. | null | null | Multiple Choice | a. true, b. false | a |
7,930 | NDQ_002484 | outer planets | planet with stronger winds than any other planet in the solar system | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | c |
7,931 | NDQ_002485 | outer planets | Jupiters four largest moons are larger than the dwarf planet Pluto. | null | null | Multiple Choice | a. true, b. false | a |
7,932 | NDQ_002486 | outer planets | gap in the clouds on Neptune | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | a |
7,933 | NDQ_002487 | outer planets | circular cloud of dust and other small particles that orbit an outer planet | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | d |
7,934 | NDQ_002488 | outer planets | Astronauts have tested samples from Europa for signs extraterrestrial life. | null | null | Multiple Choice | a. true, b. false | b |
7,935 | NDQ_002489 | outer planets | Saturn is unique because it is the only planet with rings. | null | null | Multiple Choice | a. true, b. false | b |
7,936 | NDQ_002490 | outer planets | least dense planet in the solar system | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | b |
7,937 | NDQ_002491 | outer planets | enormous storm on Jupiter | null | null | Multiple Choice | a. Great Dark Spot, b. Saturn, c. Neptune, d. planetary ring, e. Jupiter, f. Great Red Spot, g. Uranus | f |
7,938 | NDQ_002492 | outer planets | The outer planets of the eight planets in our solar system include | null | null | Multiple Choice | a. Mars., b. Jupiter., c. Pluto., d. two of the above | b |
7,939 | NDQ_002493 | outer planets | Compared with the inner planets, the outer planets | null | null | Multiple Choice | a. are much larger., b. are much denser., c. have more moons., d. two of the above | d |
7,940 | NDQ_002494 | outer planets | The planet that has clouds of ammonia is | null | null | Multiple Choice | a. Uranus., b. Neptune., c. Jupiter., d. Saturn. | c |
7,941 | NDQ_002495 | outer planets | The biggest moon in the solar system orbits | null | null | Multiple Choice | a. Neptune., b. Uranus., c. Saturn., d. Jupiter. | d |
7,942 | NDQ_002496 | outer planets | Scientists think that Saturns moon Titan may | null | null | Multiple Choice | a. have an atmosphere like early Earths., b. be larger than Earths moon., c. have lakes of liquid water., d. all of the above | a |
7,943 | NDQ_002497 | outer planets | Which two outer planets are called sister planets because they are very similar? | null | null | Multiple Choice | a. Jupiter and Saturn, b. Saturn and Uranus, c. Uranus and Neptune, d. Jupiter and Uranus | c |
7,944 | NDQ_002498 | outer planets | Neptune and Uranus appear to be blue due to the | null | null | Multiple Choice | a. oceans of water on their surface., b. methane gas in their atmosphere., c. minerals in their rocky crust., d. frigid cold of their surface. | b |
7,945 | NDQ_002507 | other objects in the solar system | Near-Earth asteroids | null | null | Multiple Choice | a. have orbits that cross Earths, b. number more than 4,500, c. could strike Earth, d. all of these | d |
7,946 | NDQ_002509 | other objects in the solar system | Which two planets does the asteroid belt fall between? | null | null | Multiple Choice | a. Earth Mars, b. Mars Jupiter, c. Jupiter Neptune, d. Mercury Venus | b |
7,947 | NDQ_002511 | other objects in the solar system | Why do scientists value meteorites? | null | null | Multiple Choice | a. They are material from the earliest solar system., b. They are an important source of valuable metals., c. They contain metals not otherwise found on Earth., d. none of these | a |
7,948 | NDQ_002512 | other objects in the solar system | What is the asteroid belt? | null | null | Multiple Choice | a. It is a large planet that was broken apart by an asteroid impact., b. It is where the Suns gravity is perfect for asteroids., c. It is debris that couldnt form a planet due to Jupiters gravity., d. none of these | c |
7,949 | NDQ_002515 | other objects in the solar system | Why is the dwarf planet Ceres not classified as a large asteroid? | null | null | Multiple Choice | a. it is rounded, b. it is too large, c. it does not have craters, d. it is a moon of Pluto | a |
7,950 | NDQ_002520 | other objects in the solar system | Most asteroids in the solar system are located between Mars and Earth. | null | null | Multiple Choice | a. true, b. false | b |
7,951 | NDQ_002523 | other objects in the solar system | Asteroids formed after the rest of the solar system formed. | null | null | Multiple Choice | a. true, b. false | b |
7,952 | NDQ_002525 | other objects in the solar system | Small asteroids sometimes collide with Earth. | null | null | Multiple Choice | a. true, b. false | a |
7,953 | NDQ_002526 | other objects in the solar system | All shooting stars become meteorites. | null | null | Multiple Choice | a. true, b. false | b |
7,954 | NDQ_002527 | other objects in the solar system | After a meteor hits Earths surface, it is called a meteorite. | null | null | Multiple Choice | a. true, b. false | a |
7,955 | NDQ_002528 | other objects in the solar system | Comet orbits are similar in shape to planet orbits. | null | null | Multiple Choice | a. true, b. false | b |
7,956 | NDQ_002529 | other objects in the solar system | Meteoroids are usually larger than asteroids. | null | null | Multiple Choice | a. true, b. false | b |
7,957 | NDQ_002530 | other objects in the solar system | Comets are commonly called shooting stars. | null | null | Multiple Choice | a. true, b. false | b |
7,958 | NDQ_002531 | other objects in the solar system | The longest period comets come from the Kuiper belt. | null | null | Multiple Choice | a. true, b. false | b |
7,959 | NDQ_002532 | other objects in the solar system | A comet has an atmosphere only when it gets close to the sun. | null | null | Multiple Choice | a. true, b. false | a |
7,960 | NDQ_002533 | other objects in the solar system | Any object whose orbit crosses Earths can collide with Earth. | null | null | Multiple Choice | a. true, b. false | a |
7,961 | NDQ_002534 | other objects in the solar system | Halleys Comet is it expected to return in 2061. | null | null | Multiple Choice | a. true, b. false | a |
7,962 | NDQ_002535 | other objects in the solar system | Scientists think that comets may have brought water to early Earth. | null | null | Multiple Choice | a. true, b. false | a |
7,963 | NDQ_002536 | other objects in the solar system | The dwarf planet Ceres was originally considered to be the largest asteroid. | null | null | Multiple Choice | a. true, b. false | a |
7,964 | NDQ_002537 | other objects in the solar system | Pluto is always farther from the sun than Neptune is. | null | null | Multiple Choice | a. true, b. false | b |
7,965 | NDQ_002538 | other objects in the solar system | event that occurs when Earth passes through the tail of a comet | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | g |
7,966 | NDQ_002539 | other objects in the solar system | atmosphere of a comet | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | f |
7,967 | NDQ_002540 | other objects in the solar system | small, irregularly shaped, rocky body that orbits the sun | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | a |
7,968 | NDQ_002541 | other objects in the solar system | region from which many comets come | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | d |
7,969 | NDQ_002542 | other objects in the solar system | region where most asteroids are located | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | b |
7,970 | NDQ_002543 | other objects in the solar system | small chunk of space rock that burns up as it falls through Earths atmosphere | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | e |
7,971 | NDQ_002544 | other objects in the solar system | small, icy object that orbits the sun | null | null | Multiple Choice | a. asteroid, b. asteroid belt, c. comet, d. Kuiper belt, e. meteor, f. coma, g. meteor shower | c |
7,972 | NDQ_002545 | other objects in the solar system | Asteroids do not have any of the following except | null | null | Multiple Choice | a. gravity., b. internal heat., c. an atmosphere., d. geological activity. | a |
7,973 | NDQ_002546 | other objects in the solar system | Which of the following statements is true about short-period comets? | null | null | Multiple Choice | a. They have periods of 200 years or less., b. They come from the asteroid belt., c. The originate in the Oort cloud., d. none of the above | a |
7,974 | NDQ_002547 | other objects in the solar system | Which of the following is a dwarf planet? | null | null | Multiple Choice | a. Ceres, b. Haumea, c. Makemake, d. all of the above | d |
7,975 | NDQ_002548 | other objects in the solar system | Pluto was once called a planet. Now it has been reclassified as a dwarf planet because | null | null | Multiple Choice | a. its gravity is too weak to clear its orbit., b. it does not have any moons., c. it consists only of gases., d. its orbit is not elliptical. | a |
7,976 | NDQ_002549 | other objects in the solar system | The only dwarf planet located in the asteroid belt is | null | null | Multiple Choice | a. Eris., b. Ceres., c. Haumea., d. Makemake. | b |
7,977 | NDQ_002550 | other objects in the solar system | Which dwarf planet is shaped more like an egg than a ball? | null | null | Multiple Choice | a. Ceres, b. Haumea, c. Eris, d. Pluto | b |
7,978 | NDQ_002551 | other objects in the solar system | The dwarf planet named Eris | null | null | Multiple Choice | a. is bigger than Pluto., b. has more moons than Pluto., c. was discovered before Pluto., d. is closer to the sun than Pluto. | a |
7,979 | NDQ_002552 | stars | A group of stars that seem from Earth to form the outline of a familiar shape is called a | null | null | Multiple Choice | a. binary star system., b. constellation., c. solar system., d. galaxy. | b |
7,980 | NDQ_002553 | stars | Particle collisions in accelerators simulate | null | null | Multiple Choice | a. nuclear fission in a black hole, b. fusion of hydrogen into helium, c. the conditions of the birth of the universe, d. all of these | c |
7,981 | NDQ_002554 | stars | Constellations appear to move across the sky each night because | null | null | Multiple Choice | a. all stars have orbits., b. Earth rotates on its axis., c. Earth revolves around the sun., d. constellations are affected by Earths gravity. | b |
7,982 | NDQ_002555 | stars | Stars emit energy as | null | null | Multiple Choice | a. neutrino streams, b. radio waves, c. solar wind, d. electromagnetic radiation | d |
7,983 | NDQ_002556 | stars | Which color of star has the highest temperature? | null | null | Multiple Choice | a. red, b. blue, c. yellow, d. orange | b |
7,984 | NDQ_002557 | stars | When our Sun stops fusion it will first become a(n) | null | null | Multiple Choice | a. red giant, b. red supergiant, c. white dwarf, d. blue neutron star | a |
7,985 | NDQ_002558 | stars | What is the energy source for all stars? | null | null | Multiple Choice | a. nuclear fusion, b. nuclear fission, c. solar, d. hydrothermal | a |
7,986 | NDQ_002559 | stars | Which class of star is our sun? | null | null | Multiple Choice | a. B, b. F, c. G, d. K | c |
7,987 | NDQ_002560 | stars | A star forms from a nebula when the temperature is high enough for | null | null | Multiple Choice | a. a supernova to occur., b. nuclear fusion to start., c. a black hole to collapse., d. heavy elements to form. | b |
7,988 | NDQ_002561 | stars | Energy production in a star takes place in the | null | null | Multiple Choice | a. convective zone, b. core, c. radiative zone, d. corona | b |
7,989 | NDQ_002563 | stars | Astronomers measure the distance to very distant stars by comparing the stars to our sun. Which factor do they compare? | null | null | Multiple Choice | a. brightness, b. location, c. parallax, d. color | a |
7,990 | NDQ_002564 | stars | A star spends most of its life as a | null | null | Multiple Choice | a. main sequence star., b. red supergiant., c. white dwarf., d. supernova. | a |
7,991 | NDQ_002572 | stars | The hottest stars blue-white; the coolest stars are red. | null | null | Multiple Choice | a. true, b. false | a |
7,992 | NDQ_002574 | stars | Stars in a constellation are near each other in space. | null | null | Multiple Choice | a. true, b. false | b |
7,993 | NDQ_002577 | stars | Our Sun is about half way through its life span. | null | null | Multiple Choice | a. true, b. false | a |
7,994 | NDQ_002579 | stars | A black hole emits dark electromagnetic radiation that we cannot see. | null | null | Multiple Choice | a. true, b. false | b |
7,995 | NDQ_002580 | stars | The same constellations appear in a location all year-round. | null | null | Multiple Choice | a. true, b. false | b |
7,996 | NDQ_002581 | stars | Constellations appear from Earth to move with the seasons. | null | null | Multiple Choice | a. true, b. false | a |
7,997 | NDQ_002582 | stars | Our sun is the biggest and brightest star in the galaxy. | null | null | Multiple Choice | a. true, b. false | b |
7,998 | NDQ_002583 | stars | Stars are made mostly of hydrogen and helium. | null | null | Multiple Choice | a. true, b. false | a |
7,999 | NDQ_002584 | stars | The coolest stars are red in color. | null | null | Multiple Choice | a. true, b. false | a |
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