Science 7 - Heat and Temperature

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Across
  1. 4. we burn coal in order to produce __________.
  2. 5. hydroelectric energy can cause ___________ damage of areas flooded downstream
  3. 6. an energy source is cannot be replaced in a normal lifespan
  4. 9. _________ is the warming of our planet due to excess greenhouse gases in the atmosphere
  5. 10. an energy source that uses living or recently living organic material
  6. 11. an energy source that can be actively obtained or passively
  7. 13. a was to significantly reduce the loss of heat to the outdoors
  8. 16. a form of heat transfer that requires particles to move in currents
  9. 17. nuclear energy requires resolution of the _________ high level waste storage issue in most countries
  10. 18. a form of heat transfer that does not require particles to transfer energy
  11. 19. maintaining home ________ will produce personal comfort at a lower thermostat setting and save money
  12. 20. insulate hot heating air _______ and hot water pipes that provide heat to the rooms in your house
  13. 21. wind energy requires expensive energy storage (ex. _________)
  14. 22. storm ________ and doors are big energy and money savers
Down
  1. 1. an energy source that requires the construction of dams
  2. 2. layers of spongy material formed by dead trees and plants
  3. 3. an energy source that produces no greenhouse gases but has other potentially deadly risks
  4. 7. an energy source that formed underground from dead organic matter
  5. 8. an energy sources that requires the use of convection currents in the atmosphere
  6. 11. letting ________ in by opening curtains, blinds and shades over windows facing the sun helps keep the warmth indoors
  7. 12. a form of heat transfer that requires surfaces to be in contact
  8. 14. keeping your heating ________ at the lowest temperature comfortable for you will save on heating costs
  9. 15. coal requires an __________ transportation system
  10. 19. _________ is the single biggest energy use in homes.
  11. 23. shallow pans of ________ near radiator tops or near warm air vents, or a room humidifier, will help raise humidity levels.