Nuclear Fission

Chemistry ⇒ Nuclear Chemistry

Nuclear Fission starts at 11 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Nuclear Fission. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 11

Describe the difference between nuclear fission and nuclear fusion.

Describe the function of a coolant in a nuclear fission reactor.

Describe the role of neutrons in a nuclear fission chain reaction.

Explain the environmental impact of nuclear fission power plants.

Explain why a critical mass is necessary for a sustained nuclear fission chain reaction.

Explain why nuclear fission is considered a non-renewable energy source.

Explain why Uranium-238 is not suitable as a primary fuel for most nuclear reactors.

Name two common moderators used in nuclear reactors.

Which of the following best describes a chain reaction in nuclear fission? (1) A single fission event (2) A series of fission events triggered by released neutrons (3) The fusion of two nuclei (4) The decay of a radioactive isotope

Which of the following elements is commonly used in control rods? (1) Boron (2) Sodium (3) Calcium (4) Neon

Which of the following is a direct product of the fission of Uranium-235? (1) Plutonium-239 (2) Barium-141 (3) Helium-4 (4) Deuterium

Which of the following is a major safety concern in nuclear fission reactors? (1) Greenhouse gas emissions (2) Radioactive waste (3) Lack of fuel (4) Low energy output

Fill in the blank: The equation E = mc² was proposed by __________.

Fill in the blank: The first artificial nuclear fission was discovered by __________ and __________ in 1938.

Fill in the blank: The first controlled nuclear fission chain reaction was achieved by __________ in 1942.

Fill in the blank: The fission of one atom of Uranium-235 typically releases about __________ MeV of energy.

True or False: Control rods in a nuclear reactor absorb neutrons to regulate the fission reaction.

True or False: Fast neutrons are more effective than slow neutrons in causing fission of Uranium-235.

True or False: Nuclear fission always produces exactly two daughter nuclei.

True or False: Nuclear fission can occur spontaneously in some heavy nuclei.