science

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Across
  1. 2. the change of state from a liquid to a gas
  2. 4. a device that can measure temperature on the Celsius scale
  3. 8. is what we call energy that comes from heat
  4. 9. states that all matter is made up of particles which are in constant motion
  5. 11. freezing
  6. 13. can refer either to materials used to reduce heat transfer
  7. 14. is the emission of energy as either waves and is the third method of transferring heat
  8. 15. A gas that gives to the effect by absorbing infrared radiation, e.g. carbon dioxide
  9. 17. is the capacity to do work or to transfer heat
  10. 18. melting
  11. 19. energy got from the heat in the inside of the earth.
  12. 20. Causing cooling or refrigeration.
Down
  1. 1. energy that comes from air
  2. 3. the average kinetic energy
  3. 5. the process of using waste energy then it goes into the atmosphere
  4. 6. A system that uses energy from sunlight to heat a structure and/or provide hot water.
  5. 7. a temperature scale that defines the freezing point of water as 0 degrees and the boiling point of water as 100 degrees.
  6. 9. is using sunlight to heat the inside of a building
  7. 10. when a cold thing turns into a liquid
  8. 12. This is a natural energy form that can be gathered directly from the environment.
  9. 16. the change of state from a gas to a solid or the other way around