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- 1. Multiple Choice
What is this process?FissionFusionCombustion - 2. Multiple ChoiceWhere does this process occur in nature?Earth's coreSunAtmosphere
- 3. Multiple ChoiceWhen a young, developing star becomes massive enough and dense enough, the process of _______ begins.H --> He fusion (hydrogen to helium)He --> C fusion (helium to carbon)He --> C --> O fusion (helium to carbon to oxygen)fission
- 4. Multiple ChoiceWhat are some of the outcomes of nuclear fusion?Produce larger materials from the collision of smaller materials.Release energy.Produce smaller materials from the collision of larger materials.Produce larger materials from the collision of smaller materials & Release energy
- 5. Multiple ChoiceIn nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?Absorb energyMaintain energyRelease energy
- 6. Multiple ChoiceWhere does fusion occur naturally?UnderwaterAll around usIn radioactive wasteIn the sun
- 7. Multiple ChoiceWhich nuclei combine together during fusion reaction on the sun?Helium and Hydrogen nucleiHydrogen nucleiHydrogen and Lithium nucleiHydrogen and Carbon nuclei
- 8. Multiple ChoiceHydrogen is the primary fuelFissionFusionRadioactive Decay
- 9. Multiple ChoiceTakes two small nuclei and combines them into a larger nucleusfissionfusion
- 10. Multiple ChoiceWhich of the following is true about nuclear fission?The mass of the product is greater than the mass of the original nucleusThe mass of the product is less than that of the original nucleusThe mass of the product is the same as the mass of the original nucleusThe mass of the product is 100 times greater than the original nucleus
- 11. Multiple ChoiceTwo nuclei with low masses are combined to form one nucleus of larger mass is called what?Nuclear fissionNuclear fussionNuclear half-lifeHalf-life
- 12. Multiple ChoiceVery high temperature and pressure is required for:FissionFusionRadioactive Decay
- 13. Multiple ChoiceAt the end of the CNO fusion cycle, what is the product?hydrogen atomhelium atomhydrogen nucleihelium nuclei
- 14. Multiple ChoiceWhy is the CNO fusion cycle called a cycle?It ends where it startsNuclear fusionit moves in a circle
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