1. What is the formula of energy given by Einstein?
E=m*(c*c)
E=m*c
E=(m*m)*c
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2. Most of the energy we use originally came from
the oceans
the sun
the soil
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3. Electrical energy can be produced from
mechanical energy
radiant energy
both mechanical and radiant
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4. Which uses the most energy in American homes each year?
water heating
lightning
refrigeration
heating and cooling rooms
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5. The U.S. consumes lots of energy.Which fuel provides the most energy?
petroleum
natural gas
coal
solar
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6. Coal, petroleum, natural gas, and propane are fossil fuels.They are called fossil fuels because:
they were formed from the buried remains of plants and tiny animals that lived hundred of millions of years ago
they are burned to release energy and they cause air pollution
they are nonrenewable and will run out
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7. Gasoline is produced by refining which fossil fuel?
natural gas
petroleum
propane
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8. Propane is used instead of natural gas on many farms and in rural areas. Why is propane often used instead of natural gas?
its safer
its cheaper
its portable
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9. What sector of the U.S. economy consumes most of the nation’s petroleum?
Residential
Commercial
Transportation
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10. Global warming focuses on an increase in the level of which gas in the atmosphere?
Carbon di-oxide
Ozone
Nitrous oxide
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11. Solar, biomass, geothermal, wind, and hydropower energy are all renewable sources of energy. They are called renewable because they
can be converted directly into heat and electricity
can be replenished by nature in a short period of time
do not produce air pollution
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12. Today, which renewable energy source provides the U.S. with the most energy?
Geothermal
Wind
Hydropower
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13. Electricity is the movement of
electrons
neutrons
atoms
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14. In a nuclear power plant, uranium atoms
split and give off heat energy
combine and give off heat energy
burn and give off heat energy
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15. How much more fuel would your car use travelling at 100km/hr compared to cruising at 90 km/hr?
upto 5%
upto 10%
upto 15%
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16. Which lighting option produces the least amount of greenhouse gas emissions?
Candles
Normal light bulbs
Compact fluorescent light bulbs
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17. What percentage of the power your home uses goes on running appliances?
20%
15%
10%
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18. What does photo mean in words like photosynthesis, photovoltaic and photograph?
Light
Picture
Energy
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19. How do most Australian electricity power plants get their energy?
Water
Fossil fuels
Electrici
Wind
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20. What types of energy can solar panels utilise?
Chemical
Wind
Mechanical
Nitrogen
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