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FISSION and FUSION

This resource explores the fundamental processes of nuclear fission and fusion, detailing how fission involves the splitting of massive atomic nuclei to release energy and how fusion combines smaller nuclei to form a larger nucleus, also releasing energy. Learn about fission chain reactions in CANDU reactors and the fusion processes that power the sun and hydrogen bombs. The assignment includes reading materials, questions, and practical problems to deepen understanding of these vital nuclear processes.

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FISSION and FUSION

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  1. FISSION and FUSION

  2. Nuclear Fission • The splitting of a more massive nucleus of an atom into 2 smaller nuclei, subatomic particles and energy (radiation)

  3. Fission Massive nucleus 2 smaller nuclei Subatomic particles Energy

  4. Fission Reaction: 235 92 141 1 1 n + U  Kr+ Ba + 3 n + energy 0 0 92 36 56 235 ___ 141 1 1 n + U  ____ + Cs + 3 n + energy 0 0 92 ___ 56

  5. Fission Chain Reaction

  6. Nuclear Fission at Work – CANDU Reactors (Canadian Nuclear Reactors)

  7. Fission Chain Reaction at work – the Atom Bomb

  8. Nuclear Fusion • The joining (fusing) of 2 smaller, lower mass nuclei together, to make 1 more massive nucleus, and give off energy and subatomic particles too.

  9. Fusion Small Atom Small Atom Massive Atom Massive Atom Particles given off

  10. Fusion Chain Reaction

  11. Fusion Reaction: 2 3 4 1 H+ H He + + n + energy 1 1 0 2 92 141 ___ 1 3 n + Kr + Ba ____ + energy 0 36 56 ___

  12. Fusion chain reaction at work – the Hydrogen Bomb

  13. Fusion at work - The Sun

  14. http://www.youtube.com/watch?v=If2AHeBRCk8 • http://www.youtube.com/watch?v=sSi-zSeS0_Y

  15. Fission and Fusion

  16. Assignment • Read over pages 312-315 • Do Reading Check Questions #1-5 on page 315 • Read over Page 316 • Do the Practice Problems on Page 317 • Answer this Question: • 1) Explain in 1 paragraph how CANDU Reactors work (see page 319) • Do Check Your Understanding Page 325 #1,2,3,4,6,7,8,9,10

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