Topic 5-8

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Across
  1. 1. energy,when a radiant light and heat from the sun
  2. 4. phases of matter include liquid gases
  3. 5. solar heating,a type of heating that usesmaterialsin a stucture to absorb
  4. 6. liquid changing into a solid
  5. 7. resources,replenish with passage of time
  6. 8. a substance from a solid to a liquid
  7. 9. energetic particles
  8. 12. pollution,when a water quality changes ambient temperature
  9. 14. current,cannot take place in solids
  10. 15. energy,mechanical energy a process know as wind power
  11. 16. a liquid that occurs on a surface of a liquid
  12. 17. a liquid turns into a solid below freezing point
  13. 20. source,a object or material that can transfer energy to other objects
  14. 21. energy,a energy from the earths crust originates
  15. 22. energy, the sun converts heatwhen it reaches the earth
Down
  1. 2. reversible phase transition from a liquid to a gas
  2. 3. use a heat engine or a power station
  3. 6. a solid turns into a gas
  4. 10. solar heating,to convert solar energy into a more useful energy
  5. 11. resources,a natural resource cannot be reproduced,grown,and generated
  6. 13. fuels,when form by an natural processes
  7. 17. when plasmas are heated extremely high temperature
  8. 18. cooling,when a device that cools air through the evaporation of water
  9. 19. energy,a energy of eletromagnetic waves
  10. 23. insulators,keep heat in and do not let heat go through