Fission and Fusion

What does it mean that fusion is a "chain reaction?"

• many steps or mini-reactions in the process

• long chains of elements form in a row

Very high temperature and pressure is required for:

• Fission

•  Fusion

• Radioactive Decay

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NGSS.HS-ESS1-1

Nuclear fusion releases energy when:

• heavy ions fuse together

• very light nuclei fuse together

• uranium splits into two fragments

• uranium emits a neutron

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The following is what type of equation?

• Fission

• Fusion

• Alpha Decay

• Beta Decay

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What is the missing element?

• Rubidium 89

• Rubidium 90

• Cesium 144

• Cesium 145

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What is created briefly created from this reaction?

• Uranium 234

• Uranium 235

• Uranium 236

• Uranium 237

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How many neutrons are going to be released from the Xenon and Strontium part of this equation?

• 1

• 2

• 3

• unknown

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Do all stars make energy through fusion?

• Yes

• No

• Just our sun

• Only large stars

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____ releases energy when atoms are split, while ______ releases energy when atoms are joined

• fusion, fission

• fission, fusion

• fission, fission

• fusion, fusion

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_____involve nuclear reactions that release large amounts of energy that can be used to produce electricity

• Fission

• Fusion

• Chain

• A and B

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