Mississippi Science PHY.6.1
The Standard
- PHY.6
- Students will demonstrate an understanding of the basic principles of nuclear energy.
Analyze and explain the concepts of nuclear physics.
2026 Mississippi College- and Career-Readiness Standards for Science · Nuclear Energy
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students use proton and neutron counts to identify isotopes and track changes in a nucleus. They explain radioactive decay, fission, and fusion, including how these processes release energy.
What Mastery Looks Like
- A student can read an isotope symbol and keep proton and neutron counts straight in a simple nuclear equation. They can explain how released neutrons can sustain fission and how fusion differs.
Common Misconceptions
- Students may think isotopes are different elements or that electrons split during fission. Some assume every radioactive nucleus splits in two.
How to Assess It
- On an exit ticket, show a uranium-235 nucleus absorbing a neutron, then splitting into smaller nuclei and more neutrons. Ask students to name the process and explain how one split can trigger another.
Lesson moves
Ways to Teach It
Have pairs toss 30 coins, remove heads after each round, and graph the remaining coins to model radioactive decay.
Give students fission and fusion diagrams and ask them to write two sentences comparing what happens to the nuclei.
Hand out cards showing proton and neutron counts; students race to match each card to its isotope symbol, then check a partner's matches.
Use a labeled nuclear power plant diagram; have students trace energy from uranium nuclei to steam, turbine, and electrical grid.
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Printable PHY.6.1 Worksheet
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Related Standards
- P.7.5C.1
Develop and use models that explain the structure of an atom.
- PHS.4.6
Analyze and debate the advantages and disadvantages of nuclear reactions as energy sources.
- PHY.6
Students will demonstrate an understanding of the basic principles of nuclear energy.
- PHS.4.5
Research nuclear reactions and their uses in the modern world, exploring concepts such as fusion, fission, stars as reactors, nuclear energy, and chain reaction...
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