Physics Unit 1 GCSE Another quiz of mine, for AQA unit 1 physics :) 4.5 / 5 based on 10 ratings ? PhysicsGCSEAQA Created by: :) PurpleJaguar (: - Team GRCreated on: 17-06-12 13:39 What is energy measured in? Joules 1 of 15 Objects emit and absorb radiation at the same time? True 2 of 15 Are bonds in gases weak or strong? Weak 3 of 15 In convection do hotter particles rise or sink? Rise 4 of 15 Why do they rise/sink? Because they become less dense 5 of 15 Does evaporation occur quickest when it is windy or when the air is still? Windy 6 of 15 What is the specific heat capacity of water in J/Kg? 4200 7 of 15 A sankey diagram shows how a wave travels through the atmosphere? False 8 of 15 Larger currents carry more energy? True 9 of 15 Can hydroelectricity cause more global warming than fossil fuels? Yes 10 of 15 Longitudinal waves oscillate in the same direction that the energy travels in?? True 11 of 15 What is the imaginary line drawn at right angles to the surface, on a ray diagram called? Normal 12 of 15 Waves which have a high frequency are most harmful to us?? True 13 of 15 What is it called when galaxies move towards the red end of the spectrum? Red shift 14 of 15 Finally, the energy needed to warm up 1kg of material by 1degree Celsius is... Specific heat capacity 15 of 15
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