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NDQ_012846 | For an element to change to a different element, it must change its number of | a. energy levels, b. electrons, c. neutrons, d. protons | d | Lesson: radioactivity
Introduction to Radioactivity:
Radioactivity is the ability of an atom to emit, or give off, charged particles and energy from the nucleus. The charged particles and energy are called by the general term radiation. Only unstable nuclei emit radiation. When they do, they gain or lose protons. Then... |
NDQ_012847 | Which statement about radioisotopes is false? | a. Radioisotopes have unstable nuclei, b. Some elements exist only as radioisotopes, c. All elements have one or more radioisotopes, d. Radioisotopes contribute to background radiation | c | Lesson: radioactivity
Introduction to Radioactivity:
Radioactivity is the ability of an atom to emit, or give off, charged particles and energy from the nucleus. The charged particles and energy are called by the general term radiation. Only unstable nuclei emit radiation. When they do, they gain or lose protons. Then... |
NDQ_012848 | Radioactive elements include | a. radium, b. uranium, c. polonium, d. all of the above | d | Lesson: radioactivity
Introduction to Radioactivity:
Radioactivity is the ability of an atom to emit, or give off, charged particles and energy from the nucleus. The charged particles and energy are called by the general term radiation. Only unstable nuclei emit radiation. When they do, they gain or lose protons. Then... |
NDQ_012849 | Elements with more than 92 protons are | a. a source of radiation in rocks, b. too unstable to exist in nature, c. the least radioactive elements, d. the only radioactive elements | b | Lesson: radioactivity
Introduction to Radioactivity:
Radioactivity is the ability of an atom to emit, or give off, charged particles and energy from the nucleus. The charged particles and energy are called by the general term radiation. Only unstable nuclei emit radiation. When they do, they gain or lose protons. Then... |
NDQ_012850 | Sources of background radiation include | a. medical X rays, b. cosmic rays, c. nuclear power plants, d. all of the above | b | Lesson: radioactivity
Introduction to Radioactivity:
Radioactivity is the ability of an atom to emit, or give off, charged particles and energy from the nucleus. The charged particles and energy are called by the general term radiation. Only unstable nuclei emit radiation. When they do, they gain or lose protons. Then... |
NDQ_012851 | Uranium can leave an image on a photographic plate because uranium | a. gives off X rays, b. absorbs sunlight, c. emits light rays, d. is radioactive | d | Lesson: radioactivity
Introduction to Radioactivity:
Radioactivity is the ability of an atom to emit, or give off, charged particles and energy from the nucleus. The charged particles and energy are called by the general term radiation. Only unstable nuclei emit radiation. When they do, they gain or lose protons. Then... |
NDQ_012852 | An alpha particle has the same mass as a helium nucleus. | a. true, b. false | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012853 | How does a nucleus change when it undergoes beta decay? | a. Its atomic number increases, b. Its mass number increases, c. It has more neutrons, d. It has fewer protons | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012854 | Nuclear equations do not need to balance. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012855 | Which of the following nuclear equations represents alpha decay? | a. 146 C 147 N +10 e + Energy, b. 210, c. 92 U 90 Th +2 He + Energy, d. two of the above | c | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012856 | A beta particle has virtually no mass. | a. true, b. false | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012857 | For a nuclear equation to be balanced, both sides of the equation must have the same number of | a. protons, b. neutrons, c. electrons, d. protons plus neutrons | d | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012858 | Charged particles are emitted from a nucleus during | a. beta decay, b. alpha decay, c. gamma decay, d. two of the above | d | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012859 | Gamma rays are released only during gamma decay. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012860 | Which of the following radioisotopes has the longest half-life? | a. uranium-238, b. carbon-14, c. hydrogen-3, d. radon-222 | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012861 | Alpha particles can pass through a sheet of aluminum. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012862 | Carbon-14 has a half-life of 5.7 million years. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012864 | All three types of radioactive decay emit energy. | a. true, b. false | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012867 | A beta particle has a charge of +1. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012869 | During beta decay, a proton is emitted by a nucleus. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012871 | All radioisotopes decay at the same constant rate. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012872 | In all three types of radioactive decay, nuclei emit energy. | a. true, b. false | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012875 | During gamma decay, one element changes into another. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012877 | Most of Earths helium formed when alpha particles picked up electrons. | a. true, b. false | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012878 | Carbon-14 forms when cosmic rays strike atoms of carbon-12. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012880 | Carbon-14 dating can be used to estimate the age of any fossil. | a. true, b. false | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012884 | method of aging fossils that uses radioisotopes | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | c | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012885 | process in which unstable nuclei emit charged particles and energy | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | f | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012886 | process in which a radioactive nucleus emits only energy | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | e | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012887 | form of energy emitted during radioactive decay | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | g | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012888 | particle consisting of two protons and two neutrons | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012889 | rate at which a radioactive isotope decays | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012890 | electron emitted by an unstable nucleus | a. half-life, b. alpha particle, c. radioactive dating, d. beta particle, e. gamma decay, f. radioactive decay, g. gamma ray | d | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012891 | Unstable nuclei of radioisotopes may become stable by | a. undergoing radioactive decay, b. changing into other elements, c. emitting particles and energy, d. all of the above | d | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012892 | Which of the following equations represents alpha decay? | a. 146 C 147 N + 10 e + Energy, b. 222, c. 53 I 54 Xe + 1 e + Energy, d. none of the above | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012893 | Examples of beta decay include | a. 238, b. 234, c. 106 Sg 104 Rf + 2 He + Energy, d. two of the above | d | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012894 | Which of the following radioisotopes has the shortest half-life? | a. uranium-238, b. potassium-40, c. carbon-14, d. polonium-214 | b | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012895 | Beta particles can travel | a. only a few centimeters through air, b. up to a meter through air, c. through several meters of concrete, d. for thousands of meters through air | c | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012896 | Which type of radiation is most harmful to living things? | a. alpha particles, b. beta particles, c. gamma rays, d. X rays | d | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012897 | An alpha particle has a charge of | a. 0, b. -1, c. +1, d. +2 | a | Lesson: radioactive decay
Types of Radioactive Decay:
There are three types of radioactive decay: alpha, beta, and gamma decay. In all three types, nuclei emit radiation, but the nature of that radiation differs from one type of decay to another. You can watch a video about the three types at this URL: (17:02). MEDIA... |
NDQ_012899 | Which equation represents a nuclear fusion reaction? | a. 60, b. 1 H + 1 H 42 He + 1 Neutron + Energy, c. 238, d. 92 U + 1 Neutron 92 | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012901 | A nuclear fission reaction occurs when a nucleus absorbs | a. a proton, b. radiation, c. a neutron, d. light energy | c | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012903 | Which of the following is a drawback of using nuclear fission for energy? | a. It adds carbon to the atmosphere, b. It produces radioactive waste, c. It releases very little energy, d. two of the above | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012904 | If a successful nuclear fusion reactor could be built, the fuel it would use would be | a. water, b. helium, c. uranium, d. hydrogen | d | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012907 | Which statement describes a way that matter and energy are related? | a. Matter and energy are two forms of the same thing, b. Matter can be converted to energy in chemical reactions, c. A large amount of matter contains a small amount of energy, d. all of the above | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012912 | E = mc2 explains why a small amount of mass can produce a great deal of energy. | a. true, b. false | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012915 | The letter c in the equation E = mc2 stands for chain reaction. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012917 | The sum of mass and energy is conserved in nuclear reactions. | a. true, b. false | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012918 | Nuclear fusion is the opposite of nuclear fission. | a. true, b. false | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012919 | Nuclear fission happens only in nuclear power plants. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012920 | An atom bomb explosion is an uncontrolled nuclear chain reaction | a. true, b. false | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012921 | Using nuclear fission for power contributes to global warming. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012922 | Nuclear fusion releases less energy than nuclear fission does. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012923 | Waste from nuclear fission is no longer harmful after a couple of years. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012924 | The suns energy comes from nuclear fusion in its core. | a. true, b. false | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012925 | In the U.S., most electrical energy is produced in nuclear power plants. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012926 | The fuel needed for nuclear fission is very plentiful. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012927 | The use of nuclear fusion for energy involves dangerous isotopes. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012928 | Matter that undergoes nuclear fusion is in the plasma state. | a. true, b. false | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012929 | One product of a nuclear fusion reaction is a proton. | a. true, b. false | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012930 | Both nuclear fission and nuclear fusion | a. are used for energy in electric power plants, b. release a huge amount of energy, c. cannot yet be controlled, d. produce three neutrons | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012931 | Which equation represents a nuclear fission reaction? | a. 60, b. 1 H + 1 H 42 He + 1 Neutron + Energy, c. 238, d. 92 U + 1 Neutron 92 | d | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012932 | In a nuclear chain reaction, each fission reaction can lead directly to | a. four more fission reactions, b. three more fission reactions, c. two more fission reactions, d. one more fission reaction | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012933 | In a nuclear power plant, nuclear reactions are controlled by inserting rods made of a material that | a. cools down the fuel, b. makes the fuel stop burning, c. does not undergo fission, d. generates electric current | c | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012934 | Which of the following is an advantage of nuclear fission over the burning of fossil fuels? | a. Nuclear fission uses renewable resources, b. Nuclear fission produces no air pollution, c. Nuclear fission produces no wastes, d. Nuclear fission has no risks | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012935 | When tritium and deuterium fuse together, they form a nucleus of | a. hydrogen, b. uranium, c. helium, d. barium | c | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012936 | Which of the following is a problem in using nuclear fusion for energy? | a. It produces dangerous nuclear wastes, b. It requires very high temperatures to occur, c. It depends on a very limited supply of fuel, d. all of the above | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012937 | process in which one nuclear reaction leads to others | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | c | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012938 | splitting of a nucleus into two smaller nuclei | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | d | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012939 | particle that starts a nuclear fission reaction | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | e | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012940 | form of energy generated by a nuclear power plant | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | a | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012941 | joining of two or more nuclei to form one larger nucleus | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | g | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012942 | reaction such as nuclear fission or nuclear fusion | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | b | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012943 | form of energy released in a nuclear reaction | a. electrical energy, b. nuclear reaction, c. nuclear chain reaction, d. nuclear fission, e. neutron, f. nuclear energy, g. nuclear fusion | f | Lesson: nuclear energy
Energy from Nuclear Fission:
Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This type of reaction releases a great deal of energy from a very small amount of matter. For example, nuclear fission of a tiny pellet of uranium-235, like the one pictured in Figure... |
NDQ_012944 | If motion is represented by an arrow, what does the head of the arrow show? | a. speed, b. position, c. distance, d. direction | d | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012945 | something that is not moving with respect to an observer that can be used to detect motion | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012946 | quantity that includes both size and direction | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | d | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012947 | If you were riding in a car down a city street, which frame of reference would not allow you to detect that the car was moving? | a. the driver of the car, b. buildings along the street, c. traffic lights at intersections, d. cars parked on the sides of the street | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012948 | What SI unit would be most appropriate for measuring the distance between Earth and the moon? | a. kilometer, b. meter, c. yard, d. mile | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012949 | location | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | g | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012950 | change in position | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | c | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012951 | Which word could be used to describe the direction of a moving object? | a. far, b. fast, c. forever, d. forward | d | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012952 | line along which something moves | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | f | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012953 | Frame of reference is | a. something that affects perception of motion, b. a way to represent distance and direction, c. the line along which something moves, d. any change of location | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012955 | length of the route between two points | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012957 | SI unit for distance | a. distance, b. frame of reference, c. motion, d. vector, e. meter, f. direction, g. position | e | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012958 | Direction is as important as distance in describing motion. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012961 | Most foot races are measured in meters. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012963 | Motion is generally defined as an increase in distance. | a. true, b. false | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012964 | Direction is the length of the route between two points. | a. true, b. false | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012965 | Short distances may be measured in centimeters. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012966 | You can use a map to measure the distance between two points. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012967 | A vector is any quantity that has no units of measurement. | a. true, b. false | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012968 | You can measure the distance an object travels only if it does not change direction. | a. true, b. false | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012969 | Motion is a vector when it includes only direction. | a. true, b. false | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012970 | You could measure distances with a metric ruler. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012971 | Speed is one way to measure motion. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012972 | The length of a vector arrow represents direction. | a. true, b. false | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012973 | Words that describe direction include east, up, and left. | a. true, b. false | a | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
NDQ_012974 | If you were riding on a moving bus, which frame of reference would allow you to detect the motion? | a. other people sitting on the bus, b. trees outside the bus windows, c. the seats on the bus, d. the bus driver | b | Lesson: distance and direction
Frame of Reference:
Assume that a school bus, like the one in Figure 12.2, passes by as you stand on the sidewalk. Its obvious to you that the bus is moving. It is moving relative to you and the trees across the street. But what about to the children inside the bus? They arent moving rel... |
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