Physics
Internal energy and changes of state practice
Particle Model training and original diagnostic questions for Paper 1.
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Internal energy and changes of state practice
Mastery score
Make it concrete
Analogy
Internal energy and changes of state 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
Internal energy and changes of state links to transport, electricity, imaging, communication, energy and space. Example: For a longer answer, write the equation or model first, then use units, graph clues or direction carefully.
Why now: Real examples make the mark-scheme words easier to remember.
Do this: Connect one key word to the example.
How confident are you?