Physics unit 1 0.0 / 5 ? PhysicsEnergyGCSEAQA Created by: rebeccamariaCreated on: 29-11-15 16:53 What does the coservation of energy state? Energy cannot be created or destroyed but it can be transferred into different types of energy 1 of 6 What type of energy is stored in food? Chemical energy 2 of 6 Why is the efficiency of an application always less than 100%? Some energy is wasted and sp all the input energy isn't transformed usefully 3 of 6 What is meant by payback time? Is the amount of time it takes for the intial cost to equal the money saved 4 of 6 Give three methods for insulating a house Loft insulation / draught proofing / thick curtains /cavity wall insulation /double glazing 5 of 6 What is meant by specific heat capacity? Is the amount of energy needed to raise the temperature of 11L of a substance by 1°c 6 of 6
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