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Nuclear Fission Reactions Purposely split a nucleus into two or more nuclei with smaller masses. Tremendous amounts of energy released. [http://wps.prenhall.com/wps/media/objects/602/616516/Media_Assets/Chapter22/Text_Images/FG22_08.JPG]

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Presentation on theme: "Nuclear Fission Reactions Purposely split a nucleus into two or more nuclei with smaller masses. Tremendous amounts of energy released. [http://wps.prenhall.com/wps/media/objects/602/616516/Media_Assets/Chapter22/Text_Images/FG22_08.JPG]"— Presentation transcript:

1 Nuclear Fission Reactions Purposely split a nucleus into two or more nuclei with smaller masses. Tremendous amounts of energy released. [http://wps.prenhall.com/wps/media/objects/602/616516/Media_Assets/Chapter22/Text_Images/FG22_08.JPG]

2 9167 Wh583,333,333 Wh Combustion Nuclear # of Hours you could play XBOX 360 57.3 hours 3,645,833 hours

3 Nuclear Fission Reactions The neutrons released can cause a chain reaction with other atoms that are near them. Click here for a chain reaction demo [http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch23/graphics/23_19fig.gif]

4 Nuclear Fission Reactions In order for a chain reaction to continue, a certain amount of material, known as critical mass, is needed. Click here for a simulation

5 Nuclear Fusion Reactions Two nuclei of low mass are combined to form a nucleus of larger mass. [http://www.windows.ucar.edu/sun/Solar_interior/Nuclear_Reactions/Fusion/dt_fusion.gif] Intermediate

6 94,444,444,444 Wh583,333,333 Wh Combustion Nuclear # of Hours you could play XBOX 360 3,645,833 hours 590,277,778 hours

7 Nuclear Fusion Reactions Only occur when atoms can get close to one another at extremely high temperatures (ex: Stars).

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9 [http://www.scienceinschool.org/repository/images/issue5fusion2_large.jpg]


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