Nuclear Fusion Review

Hydrogen bombs are created from which process?

• Fusion

• Fission

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Where does fusion take place?

• sun

• stars

• deep inside the earth

• nuclear reactors

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Examples of Nuclear Change

• Ice cubes melting, cutting carrots

• Two Hydrogen atoms join into a Helium atom, Uranium splits into smaller atoms

• Burning trash, silver tarnishing

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What element is the main source of fuel for fusion?

• Uranium

• Hydrogen

• Carbon

• Krypton

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Fusion:

• Splitting of radioactive elements into lighter elements

• Combining of small elements into heavier elements

• Creates a LOT of energy

• Requires temperatures over 100 million degrees Celsius

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Most of the sun’s energy is a result of

• nuclear fusion  

• nuclear fission

• atomic reactions

• coronal mass ejection

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The sun converts matter into energy in the

• corona.

• radiative zone

• convection zone

• core

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What is the primary reaction occurring in the core of the sun?

• Nuclear fission

• Nuclear fusion

• Chemical combustion

• Radioactive decay

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Which of the following conditions is necessary for nuclear fusion to occur?

• Low pressure

• High temperature

• Presence of a catalyst

• Low energy input

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In nuclear fusion, which two isotopes of hydrogen are most commonly used?

• Deuterium and Tritium

• Protium and Deuterium

• Tritium and Protium

• Helium-3 and Helium-4