1. Geography of Canada www.CraigMarlatt.com/school Energy

2. 1.Sources of Energy 2.Use of Energy 3.Conservation of Energy

3. Sources of Energy Can you identify the 9 different sources of energy depicted in this drawing?

4. Sources of Energy

5. Fossil Fuels70% –Coal52% –Natural Gas15% –Oil3% Nuclear19% Hydro 9% Wind 0.5% Solar 0.5% Geothermal 0.5% Tidal 0.5%

6. Sources of Energy Solar SourceProsCons Sun  free source  unlimited  env. friendly  not efficient  expensive set-up

7. Sources of Energy Geothermal SourceProsCons Natural heat coming from the Earth  free source  unlimited  env. friendly  expensive set-up  few locations

8. Sources of Energy Biomass SourceProsCons Burning natural products or waste  free source  env. friendly  gets rid of waste  environment  better use of natural products?

9. Sources of Energy Hydro SourceProsCons Moving river water  cheap source  env. friendly  recreation  flooding impacts  expensive set-up

10. Sources of Energy Waves SourceProsCons Ocean waves  free source  unlimited  navigation safety  eyesore

11. Sources of Energy Tides SourceProsCons Rising and falling water  free source  unlimited  two-way  only 25 locations  navigation safety  eyesore

12. Sources of Energy Wind SourceProsCons Moving air  free source  env. friendly  expensive set-up  eyesore, birds  inconsistent source

13. Sources of Energy Nuclear SourceProsCons Atom splitting  not expensive source  lots of source  safety concerns  expensive set-up  weapons possible

14. Sources of Energy Fossil Fuels SourceProsCons Burning of coal, oil, or natural gas  not expensive source or set-up  readily available  environment  not renewable

15. The Energy System List the names of the stages in order as they appear.

16. The Energy System 1.Sources

17. The Energy System 2.Transmission

18. The Energy System 3.Distribution

19. The Energy System 4.Usage at Home

20. The Energy System

21. Saving Energy at Home air leaks (40%!) insulation heating & cooling equipment appliance efficiency and use lighting types and uses window shades thermostat levels

22. Air Leaks in the House 1. Chimney 2. Bathroom fans 3. Plumbing vents 4. Soffit vents 5. Blower door 6. Header space where floor joints of structure meet top of basement walls. 7. Air infiltration from where baseboards meet the floor. 8. Ceiling light outlets 9. Air conditioning units/vents 10. Air extraction fans in kitchen 11. Air infiltration around windows 12. Warm air loss through unsealed fireplace chimney 13. Unsealed openings in walls for services. 14. Furnace. 15. Dryer vents