Physical Science: Unit 6 Radioactivity and Nuclear Decay

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Unit Title: Radioactivity and Nuclear Decay

Included
3 - PowerPoint Presentations (pptx) 46 slides
7 - Labs/Worksheets (pptx, and docx)
4 - Unit Tests (CP and Pre-AP) with answer key (Examview and docx)
1 - Jeopardy Review (pptx)


Subject/Topic Areas:
fission, fusion, half-life, nuclear decay, alpha particles, beta particles, gamma rays, radioactive decay, critical mass, background radiation, radioactive tracers, nuclear power

Brief Summary of Unit

Enduring Understanding:
Students will understand that:
• Half-life process as related to radioactive decay
• There are beneficial and harmful uses of radioactivity
• Fission and Fusion are both methods of changing the structure of a nucleus to create energy

Essential Question:
• What is the difference between alpha, beta, and gamma radiation?
• How is half-life relevant to me?
• What is the difference between fission and fusion?
• Where does uncontrolled fission occur?
• Where does controlled fission occur?
• Where does fusion regularly occur?

Learning Goals

Students will know: (Knowledge)
• In an alpha decay the mass number decreases by 4 due to the loss of 2 protons and 2 neutrons, thus the atomic number decreases by 2/
• In a beta decay the mass number does not change but the atomic number increases by one due to a loss of one neutron and a gain of a proton.
• In gamma radiation the mass number and the atomic number remain the same but the energy changes.
• Nuclear energy from fusion can be produced when nuclei fuse together to make 1 nuclei.
• Nuclear energy from fission can be produced when a nucleus splits into 2 nuclei.
• Half-life is the concept of that describes half of a radioactive substance decays after a period of one half-life which varies according to the radioactive isotope.
• Nuclear energy can be used as an alternative energy source.
• Nuclear radiation can be both beneficial and harmful.

Students will be able to do(Skills)
• Communicate advantages and disadvantages of nuclear energy
• Compare and contrast fusion and fission
• Calculate half-life
• Identify different types of radioactive decay
• Cite evidence to support their opinion
• Write a letter to a congressmen validating your opinion for or against nuclear power

Learning Activities

• Vocabulary
• Cornell notes
• Read examples of letters to the editor and discuss with classes
• Collaborative groups
• Distributed practice (Half-life practice problems, alpha, beta, gamma radiation)
• Discovery or Inquiry learning ( m&m half-life lab)
• Experiment
• Compare and Contrast (fission and fusion, benefits and dangers of nuclear decay, Types of nuclear decay)
• Creating and Reading Graphs (m&m half-life graph showing exponential decay)

Differentiation:

• Pair students; students with high ability, low ability, and other.
• Extended time on tests or assignments
• Enhanced learning material

Relevant Content Vocabulary

Radioactive decay, nuclear radiation, alpha particle, beta particle, gamma ray, half-life, fission, nuclear chain reaction, critical mass, fusion, background radiation, rem, radioactive tracer,
Total Pages
100+
Answer Key
N/A
Teaching Duration
N/A

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Physical Science: Unit 6 Radioactivity and Nuclear Decay
Physical Science: Unit 6 Radioactivity and Nuclear Decay
Physical Science: Unit 6 Radioactivity and Nuclear Decay
Physical Science: Unit 6 Radioactivity and Nuclear Decay