1) How do we make things hot? a) Boil them b) Take cold energy out of them c) Give them heat energy d) Burn them 2) What are the units of heat? a) joules b) degrees celcius c) degrees farenheit d) elephants 3) What is specific heat capacity? a) energy to boil water b) energy to change state c) energy to change temperature of 1 kg by 1 degree d) energy a material can hold 4) Which material would be best for a heater? a) Oil with a SHC 1200 b) Aluminium with a SHC 880 c) Water with a SHC of 4200 d) Copper with a SHC of 380 5) Which has the most energy? a) a bath at 40 degrees b) a cup at 80 degrees 6) What is the temperature of the hottest part of the thermogram? a) 32 b) 55 c) 65 d) 75 7) What is specific latent heat? a) energy needed to change state b) energy needed to change temperature 8) Why is sand at the beach hotter than the water? a) there is less sand b) sand needs less energy to change temperature c) sand needs more energy to change temperature 9) What do most good insulators have? a) trapped heat b) foam c) wool d) trapped air 10) What happens to the temperature of ice as it melts? a) it stays the same b) it increases c) it decreases 11) Callum has a cold can of Coca Cola. What direction does the energy flow in? a) from the can to the air b) from the air to the can c) upwards d) downwards 12) Which type of insulator has the quickest payback time? a) loft insulation b) cavity wall insulation c) double glazing d) draught proofing

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