Collaborative sciences project preparation

5 original questions · 0 derived marking activities. Teaching explanations are AI-authored; independent teacher review is pending.

5 of 5 activities match

• Question 1A hypothetical chemistry-physics team compares energy-storage routes for delivering 12.0 kWh of useful electricity. Route H uses 30.0 kWh input electricity; route B uses 15.0 kWh. Calculate both overall efficiencies. Explain why a comparison using 1 kg of each storage material instead could be misleading, and name one further chemistry-related factor the team should investigate before choosing a route.AI checkedStandard3 marksCalculator+
• Question 2In a hypothetical shared water study, the chemistry team reports a pH probe reading of 6.0 while a second team reports 7.0 for an apparently identical sample. Propose a joint calibration check, identify two pieces of metadata needed to establish whether the measurements are comparable, and explain why simply averaging to pH 6.5 does not resolve the discrepancy.AI checkedChallenge3 marksNo calculator+
• Question 3A hypothetical project group favours a hydrogen bus proposal because it has no direct CO2 exhaust. A chemistry member raises hydrogen-production emissions and a physics member raises conversion losses. Propose a negotiated evidence-gathering plan, state one ethical boundary for reporting a provisional recommendation, and give one concrete reflection question about interdisciplinary cooperation.AI checkedChallenge3 marksNo calculator+
• Question 4For a hypothetical chemistry-physics team rehearsal, route A uses 10 kWh of electricity and route B uses 16 kWh for the same delivered transport service. Non-electric lifecycle emissions within an agreed boundary are 5.0 kg CO2e for A and 2.0 kg CO2e for B. Let grid intensity be g kg CO2e per kWh, identical for both. Form total-emission expressions, find the crossover g, and compare routes at g=0.20. Explain how the team should qualify a recommendation if future g is unknown.AI checkedChallenge5 marksCalculator+
• Question 5In a hypothetical shared energy-storage review, a chemistry member finds '90% material recovery' for a battery process, while a physics member has '60% energy efficiency' for the same process. No definitions or denominators accompany either number. A draft multiplies 0.90 by 0.60 to claim '54% sustainable'. Explain two distinct denominator questions the team must resolve, propose a traceable joint revision of the draft, and identify an environmental issue neither percentage necessarily captures. No actual study is being cited.AI checkedChallenge4 marksNo calculator+