190 likes | 327 Views
FISSION and FUSION. Nuclear Fission. The splitting of a more massive nucleus of an atom into 2 smaller nuclei, subatomic particles and energy (radiation). Fission. Massive nucleus 2 smaller nuclei Subatomic particles Energy. Fission Reaction:. 235. 92. 141. 1. 1.
E N D
Nuclear Fission • The splitting of a more massive nucleus of an atom into 2 smaller nuclei, subatomic particles and energy (radiation)
Fission Massive nucleus 2 smaller nuclei Subatomic particles Energy
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
Nuclear Fission at Work – CANDU Reactors (Canadian Nuclear Reactors)
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.
Fusion Small Atom Small Atom Massive Atom Massive Atom Particles given off
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 ___
http://www.youtube.com/watch?v=If2AHeBRCk8 • http://www.youtube.com/watch?v=sSi-zSeS0_Y
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