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Nuclear Change

Nuclear change is distinct from chemical change (described in physical science topic 17 on this site). In a nuclear change the elements can change from one to another. An example of this is our own Sun. The Sun generates its energy by nuclear fusion changing hydrogen nuclei into helium. Nuclei can also break apart to form smaller elements (called fission). Nuclei can fuse together to make heavier elements. Neutrons can turn into protons and protons into neutrons.


Lesson 1 (or “Day 1”) Material
Lesson 2 (or “Day 2”) Material
Lesson 3 (or “Day 3”) Material
Lesson 4 (or “Day 4”) Material

2:50 Nuclear vs Chemical Reactions

3:19 Nuclear Fusion

3:19 Nuclear 101


Compare Contrast and Debate

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Resources Documents and Links

  • Write a letter – Nuclear Change
  • PS21 Intermolecular forces.tns
  • PS21 Intermolecular forces bellringer.tnsp

Special Notes and Notices

Instructor Emphasis:

  • Science & Engineering Practice: Obtain, evaluate, and communicate information.
  • Cross-Cutting Concept: Stability and Change.