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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Changes In Energy (GCSE Physics)

The following is a GCSE Physics test covering 'Changes In Energy' from the broader topic Energy. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which of these is a renewable energy source?
Which equation gives the change in gravitational potential energy when an object of mass m is raised by height h in a gravitational field g?
A toy car of mass 0.50 kg is moving at 4.0 m/s. What is its kinetic energy?
What is the specific latent heat of fusion?
Which expression is the definition of efficiency?
A spring with k = 200 N/m is stretched by 0.10 m. What elastic potential energy is stored?
Which energy transfer occurs inside an incandescent lamp (filament) when it is switched on?
A 0.020 kg toy aeroplane is launched by a spring with k = 50 N/m stretched by 0.12 m. Assuming all spring energy becomes kinetic, what is the maximum speed? (Use 1/2 k x^2 = 1/2 m v^2.)
A 500 W heater runs for 2 hours. How much energy, in joules, does it supply?
A device takes 1000 J in and delivers 700 J of useful energy. What is its efficiency?
What is meant by the conservation of energy principle?