Nuclear Fusion Explained

What is the process called when small atoms combine into larger ones?

• Fission

• Ionization

• Fusion

• Decay

What type of radiation does the sun emit that powers our planet?

• Electromagnetic radiation

• Alpha radiation

• Beta radiation

• Gamma radiation

What is the atomic mass of an alpha particle?

• 5.01 units

• 4.00153 units

• 4.03188 units

• 3.345 units

What happens to some of the mass during nuclear fusion?

• It remains constant

• It disappears

• It converts into energy

• It increases

Which element releases energy through fission rather than fusion?

• Iron

• Helium

• Hydrogen

• Uranium

What is the temperature required for nuclear fusion on Earth?

• Over 10 million degrees Celsius

• Over 50 million degrees Celsius

• Over 100 million degrees Celsius

• Over 150 million degrees Celsius

Which country's tokamak reached 100 million degrees required for fusion in 2018?

• USA

• France

• Germany

• China

What is the main product of nuclear fusion?

• Tritium

• Deuterium

• Helium

• Uranium

What is the mass of a single atom of deuterium rounded off to?

• 8.355 x 10^-27 kilograms

• 3.345 x 10^-27 kilograms

• 4.00153 units

• 5.01 x 10^-27 kilograms

What type of reactors use magnetic fields to keep plasma in place?

• Cyclotron reactors

• Fission reactors

• Tokamak reactors

• Accelerator reactors