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AQA GCSE PHYSICS ENERGY EXAMPREP UPDATED COMPLETE QUESTIONS AND VERIFIED SOLUTIONS

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AQA GCSE PHYSICS ENERGY EXAMPREP UPDATED COMPLETE QUESTIONS AND VERIFIED SOLUTIONS

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AQA GCSE PHYSICS ENERGY EXAMPREP
UPDATED COMPLETE QUESTIONS AND
VERIFIED SOLUTIONS

●● Energy stores x8
Answer: Thermal, kinetic,gravitational potential, elastic potential,
chemical, magnetic, electrostatic, nuclear


●● How is energy transferred? x3
Answer: mechanically, electrically, by heating/radiation


●● Energy transferred mechanically
Answer: by a force doing work


●● Energy transferred electrically
Answer: work done by moving charges


●● Energy transferred through heating/radiation e.g.
Answer: light, sound


●● System
Answer: a group of objects you are interested in

, ●● What happens when a system changes?
Answer: energy is transferred into/away from system, between different
objects, between different energy store types


●● Closed systems
Answer: matter/air cannot enter/leave system, net change in closed
systems total energy is always 0


●● E.g. of energy being transferred by heating
Answer: boiling water in a kettle


●● Work done
Answer: energy transferred, work is done when current flows (against
the resistance in a circuit) / by a force moving an object


●● Which store does energy go to from movement? What does the
energy depend on?
Answer: kinetic, depends on objects mass and speed


●● Kinetic energy formula
Answer:

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