7.7 Nuclear Fusion TEST HS-PS1-8

What is nuclear fusion?

• The splitting of a heavy nucleus into lighter nuclei

• The process of combining two light atomic nuclei to form a heavier nucleus

• The emission of particles from a radioactive substance

• The conversion of a solid directly into a gas

Which of the following is an application of nuclear fusion?

• Nuclear power plants

• Hydrogen bombs

• Solar energy

• Wind turbines

What is deuterium?

• A type of heavy water

• An isotope of hydrogen with one proton and one neutron

• A form of carbon used in nuclear reactors

• A radioactive element used in medical imaging

What role does the strong nuclear force play in nuclear fusion?

• It repels atomic nuclei from each other

• It holds the protons and neutrons together in the nucleus

• It causes the nuclei to split apart

• It converts mass into energy

What is nuclear fusion?

• The process of splitting a heavy nucleus into smaller nuclei

• The process of two smaller nuclei joining to form a heavier nucleus

• The process of electrons combining with protons

• The process of a nucleus losing energy by emitting radiation

Where do nuclear fusion reactions commonly occur?

• In the Earth's core

• In stars

• In nuclear power plants

• In the ocean

What is released during nuclear fusion reactions in stars?

• Light

• Helium gas

• Large amounts of energy

• Carbon dioxide

What is the process called where deuterium and tritium nuclei combine?

• Nuclear Fission

• Nuclear Fusion

• Radioactive Decay

• Chemical Reaction

Which particles are produced as a result of the fusion of deuterium and tritium?

• Helium and a neutron

• Carbon and oxygen

• Hydrogen and helium

• Uranium and thorium

What is required for nuclear fusion reactions to occur?

• Low temperature and high pressure

• Extreme temperature and pressure

• Low temperature and low pressure

• High temperature and low pressure