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)
Media:
Energy presentations (review all to study)
Chapter 12 presentations
Energy types, transformation and efficiency (with unit explanation)
Chapter 13 presentations
A Perfect match
Watts used by various appliances
Study guide for energy unit (60 test questions with no answers) If you can answer these, you are in good shape!
Assignment:
Efficiency Lab
Renewable energy demonstration/model
Answers to end of module questions: (Chapter 12)
Module 34
d
c
c
c
d
Module 35
c
d
d
b
a
Module 36
d
d
b
c
c
End of chapter 12 test
c
d
a
d
d
b
a
d
c
a
c
d
c
a
c
d
c
Answers to end of module questions: (Chapter 13)
Module 37
d
d
c
c
b
Module 38
a
b
b
d
c
Module 39
d
d
b
d
c
Answers to end of chapter test:
c
b
a
c
d
b
c
d
b
d
d
c
d
d
a
b
d
d
b
d