Heat transfer

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Across
  1. 2. POTENTIAL the energy store in an object that is raised.
  2. 3. something that lacks particles, e.g. space
  3. 8. a measure of how hot or cold something is
  4. 9. VARIABLE what we change in an experiment
  5. 12. something that does not transfer heat well between its particles
  6. 13. SILVER this colour is a poor absorber and emitter of heat, but good reflector
  7. 15. VARIABLE what we measure
  8. 17. ENERGY the total energy within a system
  9. 19. OF ENERGY energy cannot be created or destroyed, only transferred between stores
  10. 20. a type of radiation emitted by any object over absolute zero (-273 degrees celsius)
  11. 21. VARIABLE what we keep the same in an experiment
Down
  1. 1. something that transfers heat well between its particles
  2. 4. BLACK this colour is a strong absorber and emitter of heat
  3. 5. ENERGY the energy store in food and batteries
  4. 6. ENERGY movement energy
  5. 7. heat transfer in solids
  6. 10. the unit for energy
  7. 11. CURRENTS when gases and liquids heat up and rise, and fall when they cool down
  8. 14. heat transfer as waves in a vacuum
  9. 16. EQUILIBRIUM when no more heat transfers happen.
  10. 18. heat transfer in liquids and gases.