Totally Nuclear Brah!
List the three fossil fuels and place a star next to the one that is the "cleanest" burning.
Coal - Oil - *Natural Gas
The US contains about 5% of which of the world's energy supply?
Oil
List 3 renewable energy resources.
Solar
Geothermal
Hydroelectric
Biomass
Wind
Hydrogen Fuel Cell
The average house used 10,600 kW per year. How much is this per day?
29 kW = 29,000 watts
If a sample of radioactive waste has a half life of ten years, how much of a 4 g. sample would remain after 20 years?
1 gram
Put the types of coal in order from lowest heat value to highest heat value
Lignite->Sub bituminous -> Bituminous ->Anthracite
Half of your table explains/draws formation of coal
The other half does formation of oil/natural gas
Coal ->vegetation in swamps buried by sediments; undergoes heat and pressure
Oil ->plankton/marine organism in seas, buried by sediment ->heat/pressure
Explain what passive solar energy is
Using the sun light to light/heat your homes through proper window placement and landscaping
There is 52 gallons of oil per barrel. If Mr. Fuller buys 16 barrels of oil, how many gallons does he have?
832 gallons
Identify one environmental benefit to using nuclear energy over fossil fuels.
No Carbon Dioxide
What sector is oil primarily used for in the world today?
Transportation
Where does most of our electricity come from?
Natural gas
On average, a refrigerator uses 60 watts of energy? How much energy is used in kilowatts per year?
525.6 kW
How is uranium obtained? List two disadvantages of this process.
mining!
Disadv: habitat destruction, soil erosion, health of workers
What type of fossil fuels has the largest reserves left at 130-150 years?
Coal
What country's electricity is 100% renewable, 73% coming from hydropower and 27% from geothermal power?
Iceland!
What are two environmental consequences of hydroelectric dams?
Damage to wildlife habitats and migratory paths
Decrease in arable land use
Increase erosion downstream
Flooding of land to create reservoirs behind dam
Decreased nutrients downstream
An average nuclear power plant produces 3kg of radioactive strontium-90. Sr-90's half live is 29 years. How long will it take for there to be 0.1875 kg (or 6.25%) of the Sr-90 left?
4 half-lives x 29 = 116 years
Identify one disadvantage to using nuclear as an energy source.
Thermal pollution, expensive start-up costs, radioactive waste (spent fuel rods)
Which type of fossil fuel is responsible for acid rain and acid deposition?
Coal
What is cogeneration?
What makes something a renewable resource?
Can be replenished naturally, at or near the rate of consumption
A space heater operates at 1500 Watts, if it is used for 10 hours each day for one week and the cost of electricity is 18 cents per kilowatt-hour, it will cost _____________ to operate the heater for the week.
$18.90/week