test review resources and energy. what does each provide? transportationelectricityheating/cooling
TRANSCRIPT
TEST REVIEW
Resources and Energy
What does each provide?Transportation Electricity Heating/Cooling
What does each provide?Transportation Electricity Heating/Cooling
OilNatural GasCoal (in the past)Hydrogen Fuel CellsBiomassPhotovoltaic Cells (future?)
What does each provide?Transportation Electricity Heating/Cooling
OilNatural GasCoal (in the past)Hydrogen Fuel CellsBiomassPhotovoltaic Cells (future?)
OilNatural GasCoalHydrogen Fuel CellBiomassSolar Power TowerSolar ThermalPhotovoltaic CellsGeothermalHydroelectric DamTidal
What does each provide?Transportation Electricity Heating/Cooling
OilNatural GasCoal (in the past)Hydrogen Fuel CellsBiomassPhotovoltaic Cells (future?)
OilNatural GasCoalHydrogen Fuel CellBiomassSolar Power TowerSolar ThermalPhotovoltaic CellsGeothermalHydroelectric DamTidal
OilNatural GasCoal (in the past)GeothermalPassive SolarBiomass
What’s your best definition for…
• Green • Clean • Organic • Sustainable
Why might solar be our energy future?
Energy Types:Use your cards to show…
• Chemical• Electrical• Mechanical• Light (EM)• Heat
• Clean• Renewable• Sustainable
• Wind• Geothermal• Solar Power Tower• Photovoltaic Cells• Biomass• Passive Solar• Coal, Oil, Natural Gas• Hydrogen Fuel Cells• Hydroelectric• Tidal
Resources ≠ Reserves
• Resources – amounts of material that are known/ assumed to exist that can be extracted NOW or in the FUTURE for a POSSIBLE profit $
• Reserves – known amounts of material that can PRESENTLY be extracted for a PROFIT– “proven”
Example of the Laws of Conservation of Matter and ThermodynamicsExample of the Laws of Conservation of Matter and Thermodynamics
Global WarmingGlobal Warming
Acid RainAcid Rain SmogSmog
Burning Coal = CO2 + SO + H20 + Ash +(CxHxSxOx) Light + Noise + Heat
Matter Cycles, Energy FlowsMatter Cycles, Energy Flows
HOW ARE THE CARBON CYCLE AND THE GREENHOUSE EFFECT CONNECTED?
Renewable-energy Use in the United States
Possibly nonrenewable?
Use your cards to show…•The renewable energy sources that if used unsustainably could become nonrenewable.
•Geothermal, biomass
Turbines generate electricity the turbine spins, which spins a magnet within metal. Electrons from the metal atoms are affected by the magnet
and are harnessed.
• Which turn a turbine DIRECTLY?• falling water, wind, tides
• Which turn a turbine INDIRECTLY? • steam from boiling water: the sun, burning
coal, oil, natural gas, biomass, geothermal energy
The Sun – the ultimate energy source
Use your cards to tell…Which energy sources directly or indirectly get their energy from the sun?•wind, solar power tower, solar thermal, PV cells, biomass, natural gas, coal, oil
Solar Energy
Active or passive?
Active or Passive?
Active or passive?
Active or Passive?
How do you measure up?
25-30 = Energy expert
20-24 = Just a little studying needed for the A
15-19 = On the road to energy independence
10-14 = Might need to actually fill in the charts
Less than 10 =
Hope you don’t have anything else to do tonight!
Revisiting our Themes
Can you come up with an example for each of our year long themes?
– Matter cycles, energy flows.– There are two sides to every story.– Prevention and reduction are always the best
answer.
ROUND 1
1. Renewable energy sources are so named because…
A. Do not pollute the environmentB. Are constantly re-produced by natureC. Protect the ozone layerD. Can be easily transmitted over long distances
2. I am the only form of energy not derived from the sun
A. biomass energyB. wind energyC. hydroelectric energyD. geothermal energy
3. I have a very low net energy yield
A. hydrogen fuel cellsB. solarC. windD. geothermal
4. Which will not reduce your energy consumption?
A. turn down the thermostat on your water heater
B. turn your computer off at nightC. Turn your air conditioner down (set at 68
instead of 70)D. Ride a bike instead of driving
5. I have the highest net energy yield
A. passive solarB. active solarC. solar thermal systemsD. photovoltaic cells
6. All of the following spin turbines directly, except:
A. Hydroelectric B. biomassC. windD. geothermal
7. Geothermal gets its energy from:
A. The sunB. Trees and shrubsC. The core of the EarthD. The Earth’s crust
8. Solar power towers involve:
A. mirrors which focus sun to boil waterB. silicon wafers that produce a flow of electronsC. having many, south-facing windows that are
well-insulatedD. using earth-tubes
9. Reclamation is…
A. The ability to convert solar energy into electricityB. The discovery of new fossil fuel depositsC. Repair the land disturbed by mining practicesD. Building fish ladders
Round 2
1. Which of the following does not have geographical restrictions
A. geothermalB. windC. hydroelectricD. biomass
2. What 2 energy sources could be considered nonrenewable if not used
sustainably?
A. solarB. geothermalC. windD. biomass
3. Which of the following functions by converting sunlight into hot water?
A. passive solar heatingB. Photovoltaic cellsC. active solar heatingD. geothermal energy
4. Which is an accurate example of passive solar energy?
A. Having several windows on the South side of your house
B. Planting evergreen trees all around your house
C. Having several North-facing windowsD. Having thin insulation for good air exchange
5. Biomass is used to produce
A. electricityB. some fuelsC. heatD. all of the aboveE. None of the above
6. What is NOT a result of the use of biomass?
A. Air pollution, especially CO2B. Water pollution due to fertilizersC. Potential global food shortagesD. Increased use of petroleum
7. Geothermal energy cannot be used to:
A. run a carB. heat a homeC. heat waterD. power a business
8. List the types of coal (and its relative) in order from the HIGHEST quality to lowest quality.
A. Anthracite, peat, lignite, bituminousB. Peat, lignite, bituminous, anthraciteC. Anthracite, bituminous, lignite, peatD. Bituminous, lignite, anthracite, peat
9. What is needed to form fossil fuels?
A. Millions of yearsB. PressureC. HeatD. All of the above
Fossil Fuel
Speed Round
Round 3
1. Which of the following is NOT produced by wind…
A. electricityB. Air pollutionC. noise pollutionD. areas for farm animals to graze
2. What will prevent wind from becoming our #1 source of energy?
A. wind contains very little energyB. The technology to change wind to electricity
is too difficult to understandC. winds in most areas are not strong or
consistent enoughD. windmills are ugly
3. Which fuel holds the most promise for our immediate transportation needs?
A. solarB. biofuelC. hydrogen fuel cellsD. All of the above
4. Tidal power is best located…
A. far out in the oceanB. on the beachC. in an inlet or cove of the coastD. in a river
5. Which of the following is a disadvantage of hydroelectric dams
A. high air pollution productionB. low net energy yieldC. short lifespanD. high construction costs
6. Which of the following is NOT a disadvantage of hydroelectricity?
A. reservoirs created by dams submerge surrounding areas
B. fish migration is interfered withC. the reservoir created by the dam is warmer
than usualD. creates a large amount of pollution
7. A major drawback of hydrogen fuel cells is:
A. its waste productsB. the ability to produce free hydrogen atomsC. the ability to replace gasolineD. its reliance on natural gas
8. The least cost-effective form of energy is:
A. solarB. windC. tidalD. biomass
9. Fractional distillation of crude oil separates the components based upon which chemical
property?
A. Melting pointB. Freezing pointC. Boiling pointD. Reaction with acids
BONUS Round
1. Why isn’t geothermal energy used everywhere on earth?
A. technology is too basic to use geothermal energy
B. it is only available in countries near the north or south poles
C. it has long-term waste storage problemsD. it is not available everywhere.
2. The U.S. leads the world in this source of energy
A. biomassB. windC. geothermalD. solar