Energy

Essential Questions:

Chapter 12 - Non-renewable energy sources and efficiency

What is the history of energy use in the USA?

What are the major consequences of our conventional energy usage?

How do you calculate the efficiency of a system?

What are some specific examples of energy conservation and energy efficiency?

Chapter 13 - Sustainable Energy

What are the pros and cons of our renewable energy options?

What choices can we make to help move our society toward a sustainable energy system?

Vocabulary:

Ways to think about energy

Mechanical, electrical, radiant, heat, chemical

Ways to classify energy

renewable, non-renewable, potentially renewable, non-depletable, Sun-driven, Fossil

Non-renewable sources of energy

coal, petroleum, natural gas, nuclear, large hydro, hubbert curve

Renewable sources of energy

biomass, geothermal (electrical and for heating and cooling), bio-fuels, wind, photovoltaic, solar water heating, passive solar design, concentrated thermal solar, tidal, waves, fuel cells (not a fuel source but..)

Electricity pricing structures (and electrical systems)

tiered rate, time of use metering, reducing peak demand, baseline usage, the electrical grid, power plants, co-generation, net metering

You need to be able to calculate:

the price of using various appliances, efficiency, miles per gallon, half-life, joules, watts, kilowatts used, energy savings

EROEI (Energy returned on energy invested)

Assignment:

Efficiency Lab

Renewable energy demonstration/model

Answers to end of module questions: (Chapter 12)

Module 34

  1. d

  2. c

  3. c

  4. c

  5. d

Module 35

  1. c

  2. d

  3. d

  4. b

  5. a

Module 36

  1. d

  2. d

  3. b

  4. c

  5. c

End of chapter 12 test

  1. c

  2. d

  3. a

  4. d

  5. d

  6. b

  7. a

  8. d

  9. c

  10. a

  11. c

  12. d

  13. c

  14. a

  15. c

  16. d

  17. c

Answers to end of module questions: (Chapter 13)

Module 37

  1. d

  2. d

  3. c

  4. c

  5. b

Module 38

  1. a

  2. b

  3. b

  4. d

  5. c

Module 39

  1. d

  2. d

  3. b

  4. d

  5. c

Answers to end of chapter test:

  1. c

  2. b

  3. a

  4. c

  5. d

  6. b

  7. c

  8. d

  9. b

  10. d

  11. d

  12. c

  13. d

  14. d

  15. a

  16. b

  17. d

  18. d

  19. b

  20. d