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3. 1.What is the difference between Heat and Temperature? Heat is a form of energy, temperature is a measure of how hot or cold something is. answer

4. 2.Heat is measured in …. Joules answer

5. 3.Temperature can be measured in ………. Celcius (ºC) Kelvin (K) answer

6. InsulationlocationType of heat loss Roof spaceconvection Cavity wallconduction Silver foilBehind walls, radiators 4.How can heat loss from the home be reduced? answer InsulationlocationType of heat loss Loft insulation Roof spaceconvection Cavity wallBetween wallsconduction Silver foilBehind walls, radiators radiation

7. 5.What is meant by the term specific heat capacity? The amount of heat energy required to change the temperature of 1kg of a substance by 1ºC. answer

8. 6.What does the symbol ∆ stand for in the equation Eh = cm∆T? “Change in” (temperature). answer

9. 7.What does the term “specific latent heat of fusion” mean. The amount of heat energy required to change 1kg of a substance from solid to liquid The amount of heat energy required to change 1kg of a substance from solid to liquid answer

10. 8. How much heat energy is needed to heat 2kg of water from 20ºC to boiling point? (c = 4180 J/kg ºC) E h = cm∆T = 4180 X 2 X 80 =668800J answer

11. 9.What is a pressure? A force that acts on an area. answer

12. 10.What are the units of pressure? Pascals (Pa) or N/m 2 answer

13. 11.How many cm 2 are there in 1m 2 10,000 (100 x 100) answer

14. 12.What causes gas pressure? The particles colliding with the walls of the container answer

15. 13.What is meant by the term “Kinetic Theory”. The theory that gases are made of particles that are moving randomly in all directions answer

16. 14. What happens to the pressure in a syringe when you push the plunger in? Pressure increases as volume decreases. answer

17. 15.What happens to pressure in a aerosol can when it is thrown on a bonfire. Pressure increases as temperature increases answer

18. 16.What temperature in ºC is absolute zero? -273 ºC answer

19. 17.What is 20 ºC in Kelvin? 293K answer

20. 18.What happens to the pressure in a car tyre after a motorway drive? Pressure increases as temperature has increased answer

21. 19.What is pressure measured with? A pressure gauge or Bourdon Gauge answer

22. 20.What is the combined gas law equation? answer