Nuclear Fusion and Elements

In nuclear fusion, smaller nuclei are forced together to create larger nuclei. Does this process release, absorb or maintain energy?

• Absorb energy
• Maintain energy
• Release energy

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the smallest particles of matter that still retain the characteristics of that element are called

• atoms
• nuclei
• dust 
• molecule

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Do all stars make energy through fusion?

• Yes
• No
• Just our sun
• Only large stars

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Define nuclear fusion.

• Nuclear fusion – combining lighter nuclei to make heavier ones – is what makes it possible.

• Nuclear fusion – splitting lighter nuclei to make heavier ones – is what makes it possible.

• Nuclear fusion – combining heavier nuclei to make lighter ones – is what makes it possible.

• Nuclear fusion – splitting heavier nuclei to make lighter ones – is what makes it possible.

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This process, called nuclear fusion, is the energy source of all __________.

There may be more than one answer for this questions.

• planets

• suns

• stars

• plants

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When hydrogen is "fused" together on the Sun, what new element is created?

• Helium

• Carbon Dioxide

• Oxygen

• Light

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Stars have loads of proton - proton chain reactions happening in its core. What charge do protons have?

• neutral - no charge

• positive

• negative

• neutrino

particles that are located in the nucleus of an atom and no charge

• proton
• neutron
• electron
• dust

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a dense positively charged sub atomic particle is called a 

• proton
• neutron
• electron
• plasma

Nuclear fusion is the reaction that generates energy in stars.

• True

• False

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