Grade 11 · Week 34 · U9
Essential question: How do nuclear changes differ from chemical changes, and how do materials affect society?
Radioactive decay changes nuclei while ordinary chemical reactions do not.
Build an initial model and explanation for: How do nuclear changes differ from chemical changes, and how do materials affect society?
Record observations, questions, an initial model, and one claim that could be tested. Use these concepts where relevant: isotope; decay; fission; fusion; polymer/material; lifecycle.
Study and explain the week's core ideas: isotope; decay; fission; fusion; polymer/material; lifecycle
Trusted nuclear/materials educational sources.
Revise Monday's model. Add two evidence-backed annotations and explain one limitation or uncertainty.
Half-life modeling and material lifecycle data.
Show units, setup, calculation or graph reasoning, then write what the quantitative evidence can and cannot establish about: How do nuclear changes differ from chemical changes, and how do materials affect society?
Half-life simulation with coins; no radioactive sources.
Use the course safety charter. If supervision, facilities, materials, or conditions are not appropriate, use the supplied-data/simulation alternative rather than improvising hazardous procedures.
Record variables or design constraints, procedure/model, observations/data, and one revision you would make after reviewing the evidence.
Answer the essential question: How do nuclear changes differ from chemical changes, and how do materials affect society?
Submit a claim, at least two specific pieces of evidence, reasoning that connects them, one limitation/counterclaim, and a correction note for any essential concept below 80%.
Select one artifact from this week and explain why it is trustworthy evidence of growth.