Physical Science Chapter 18 Section 4. + Nuclear Fission Nuclear fission is the process of splitting a nucleus into several smaller nuclei Fission means.

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Presentation transcript:

Physical Science Chapter 18 Section 4

+ Nuclear Fission Nuclear fission is the process of splitting a nucleus into several smaller nuclei Fission means “to divide” Occurs in Nuclear Power Plants

+ Chain reactions neutrons are emitted during fission. These neutrons can strike other nuclei in the sample and cause them to split. Which can cause even more atoms to split This series of repeated fission reactions caused by the release of neutrons is a chain reaction

+ Nuclear Fusion In nuclear fusion, two nuclei with low masses are combined to form one nucleus of larger mass

+ Nuclear fusion Occurs in the sun