大象传媒

  • Energy

    • Energy stores and transfers - OCR Gateway

      Energy can be described as being in different 'stores'. It cannot be created or destroyed but it can be transferred, dissipated or stored in different ways.

    • Quiz: Change in energy stores

      This interactive quiz is aimed at GCSE physics students studying types of energy store, energy transfers, energy dissipation, the conservation of energy and energy calculations.

    • Power and efficiency - OCR Gateway

      Power is the rate at which energy is transferred. The amount of energy usefully transferred in a system determines how efficient that system is.

    • Sample exam questions - energy - OCR Gateway

      Understanding how to approach exam questions helps boost exam performance. Questions will include multiple choice, descriptions and explanations, using mathematical skills and extended writing.

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