Nuclear Fission & Nuclear Fusion

• nuclear fission

  splitting a large nucleus into smaller nuclei
• nuclear fission - chain reaction

  • neutron hits uranium nucleus
  • uranium nucleus splits into smaller nuclei and more electrons
  • neutrons hit more uranium nuclei and repeat
• nuclear fusion

  the joining of two small nuclei
• nuclear fusion works when 2 small light nuclei join together to make 1 heavy nucleus at high speed , temperature and pressure