Parent plan · Week 30 · Pollution, Carbon & Climate Evidence — connect, calculate and revise — Physics & Environmental Science
Parent teaching plan · 36 weeksUnits to teach or revisit
Chapter 10 · Pollution, Carbon & Climate Evidence
Assigned readings
Develop this chapter question: How do distinct mechanisms and datasets explain environmental change?
This week’s goals
- Explain models, objects, arrows and axes before substituting values.
- Conserve the relevant charge, momentum, matter and energy account.
- Apply independently, state limits and revise from evidence.
Read A real temperature record and a chemical ratio answer different questions at chapter launch and revisit it alongside this week’s linked units, figures and investigation.
Five flexible sessions, normally 50–60 minutes. Two core unit sessions are scheduled, with a third for selected demanding topics. Sample week uses a complete 90-minute paper plus about 30 minutes of corrections within two ordinary-hour equivalents.
Session 1 · Ocean Chemistry, Carbon & Acidification — apply and explain
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Study Parts 3–4 and selected source-model prompts, then attempt the whole-unit application, illustrated practice and changed independent case. Explain a correction, revise the opening model and complete the exit check.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its quantities and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the objects, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
[H⁺] increases by 10^0.2≈1.585, about 58.5%. It does not prove the same carbonate decrease; alkalinity, dissolved carbon and coupled-equilibrium conditions are also required.
- Use the supplied evidence and correct quantity/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 2 · Extended calculation and transfer — Ocean Chemistry, Carbon & Acidification
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Reconstruct a worked method without looking at its answer. Then solve this changed case, show intermediate steps and units, explain a limit and compare a second method where appropriate: A seawater sample changes frompH8.1 topH7.9. Estimate the[H⁺] ratio and explain whether that proves a 58% carbonate decrease.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its quantities and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the objects, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
[H⁺] increases by 10^0.2≈1.585, about 58.5%. It does not prove the same carbonate decrease; alkalinity, dissolved carbon and coupled-equilibrium conditions are also required.
- Use the supplied evidence and correct quantity/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 3 · Climate Data, Trends & Attribution — build the model
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Read the chapter background and unit language. Draw a first model, study the core explanation and Parts 1–2, trace each figure and attempt the visual questions/checks. Complete a first worked case with its answer covered.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its quantities and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the objects, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
Each anomaly would decrease by 0.20°C; year-to-year differences and a consistently computed trend would remain unchanged. Only five years are included, so the interval and sample duration would not match the completed ten-year comparisons.
- Use the supplied evidence and correct quantity/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 4 · Climate Data, Trends & Attribution — apply and explain
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Study Parts 3–4 and selected source-model prompts, then attempt the whole-unit application, illustrated practice and changed independent case. Explain a correction, revise the opening model and complete the exit check.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its quantities and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the objects, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
Original anomalies are 0.6 and 1.0°C; new anomalies 0.4 and 0.8°C. The difference remains 0.4°C, so a uniform baseline shift changes offset rather than physical change.
- Use the supplied evidence and correct quantity/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Session 5 · Extended calculation and transfer — Climate Data, Trends & Attribution
Use the linked chapter reading, unit explanations, figures and notebook.
Your task
Reconstruct a worked method without looking at its answer. Then solve this changed case, show intermediate steps and units, explain a limit and compare a second method where appropriate: Two absolute global temperature estimates are 14.6°C and 15.0°C. Their baseline is 14.0°C, then changed to 14.2°C. Find both anomaly pairs and show whether their difference changes.
- Prepare the assigned explanation and identify the question.
- Trace a model or graph, labeling its quantities and units.
- Attempt the assigned reasoning and calculation before opening guidance.
- Compare with criteria and retain an explained correction.
Hint and response guidance
Name the objects, quantities, boundary and assumptions before choosing a relationship. Use the matching figure to check each step.
Original anomalies are 0.6 and 1.0°C; new anomalies 0.4 and 0.8°C. The difference remains 0.4°C, so a uniform baseline shift changes offset rather than physical change.
- Use the supplied evidence and correct quantity/units.
- Explain the relevant mechanism or relationship.
- Show intermediate working or a labeled model.
- State an assumption, limitation or useful next test.
Submit this week
- Labeled first/revised models and intermediate calculations.
- Assigned practice and assessed attempts with explained corrections.
- Investigation record/report when assigned, identifying supplied versus collected data.
Parent / teacher weekly conference
Use actual written work to adjust support. Do not count a copied solution as independent mastery. Extend or redistribute time where needed; home-study records do not certify supervised or mandated laboratory requirements.
- Can each relevant symbol and unit be explained?
- Does the calculation conserve the appropriate quantities?
- Can the learner solve a changed case and explain an assumption?