Nuclear Fusion
Chemistry ⇒ Nuclear Chemistry
Nuclear Fusion starts at 11 and continues till grade 12.
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Describe one major challenge in achieving controlled nuclear fusion on Earth.
Describe the main steps of the proton-proton chain reaction in the Sun.
Describe the role of plasma in nuclear fusion reactors.
Describe the role of the strong nuclear force in nuclear fusion.
Explain why deuterium and tritium are often chosen as fusion fuels in experimental reactors.
Explain why extremely high temperatures are required for nuclear fusion to occur.
Explain why nuclear fusion does not occur naturally on Earth’s surface.
Explain why nuclear fusion is considered a potential solution to the world’s energy problems.
Which device is commonly used to confine plasma in experimental fusion reactors? (1) Cyclotron (2) Tokamak (3) Geiger counter (4) Mass spectrometer
Which of the following best describes the main difference between nuclear fusion and nuclear fission? (1) Fusion combines nuclei, fission splits nuclei. (2) Fusion splits nuclei, fission combines nuclei. (3) Both fusion and fission split nuclei. (4) Both fusion and fission combine nuclei.
Which of the following best explains why nuclear fusion releases energy? (1) The mass of the products is greater than the mass of the reactants. (2) The mass of the products is less than the mass of the reactants. (3) The number of protons increases. (4) The number of neutrons decreases.
Which of the following is a benefit of nuclear fusion over nuclear fission? (1) Produces more long-lived radioactive waste (2) Uses abundant fuel sources (3) Requires lower temperatures (4) Is easier to control
Fill in the blank: The energy released in nuclear fusion comes from the conversion of ________ into energy, according to Einstein’s equation E = mc2.
Fill in the blank: The minimum temperature required for deuterium-tritium fusion is approximately ________ million degrees Celsius.
Fill in the blank: The process of combining two light nuclei to form a heavier nucleus is called ________.
Fill in the blank: The process of fusion in stars is called the ________ cycle.
True or False: Fusion reactions are exothermic.
True or False: Fusion reactions can occur at room temperature under normal atmospheric pressure.
True or False: Nuclear fusion is the process that powers the Sun.
True or False: The CNO cycle is a type of nuclear fusion reaction.
