Physics
Efficiency and power practice
Energy training and original diagnostic questions for Paper 1.
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Efficiency and power practice
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Make it concrete
Analogy
Efficiency and power is like tracking a system with arrows and numbers: decide what changes, what stays conserved, and what equation describes it.
Why now: An analogy helps when the definition feels abstract.
Do this: Match each part of the analogy to the science idea.
Why it matters
Real-world use
Efficiency and power links to transport, electricity, imaging, communication, energy and space. Example: Insulation reduces energy transfer from a house by heating.
Why now: Real examples make the mark-scheme words easier to remember.
Do this: Connect one key word to the example.
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