Which country is the leader of known coal reserves?
United States
China
India
Russia
United States
100
What is the flow of water between the earth and the atmosphere?
rain
evaporation
water cycle
succession
Water cycle
100
What process is the sun's energy produced by?
nuclear fusion
nuclear fission
solar flares
nuclear fusion
100
What is the major use of petroleum?
transportation
making plastics and paint,
cosmetics and medicines
Transportation
200
How is wind produced?
Uneven heating of the earth's surface
200
What is the main transportation method for coal?
Primarily by trains
200
What is the storage area for water behind a hydro dam?
Reservoir
200
In what form does the sun's energy reach the earth?
Radiant energy
kinetic energy
potential enrgy
radiant energy
200
What product is almost half of all petroleum refined into ?
gasoline
300
What is a cluster of wind turbines called?
Wind farm
300
What are the top coal producing states?
Wyoming, Missouri, Kansas
Wyoming, West Virginia, and Kentucky
Texas, Louisiana, Wyoming
Wyoming, West Virginia, and Kentucky
300
What were early water wheels used for?
Grinding wheat
300
How long does it take for the sun's energy (light) to reach the earth? <>2
Eight minutes
300
What are the top oil producing states?
Texas, Alaska, California, Louisiana, and Oklahoma
Alaska, Texas, Kansas, Oklahoma, South Dakota
Kansas, Oklahoma, Texas, North and South Dakota
Texas, Alaska, California, Louisiana, and Oklahoma
400
What is the average operating time of a wind turbine?
Half the time
Third of the time
Three-fourths of the time
Three-fourths of the time
400
The major use of coal is to produce ___________.
electricity
400
When water flows down the penstock of the dam the water spins the blades of this device to power a generator?
turbine
400
What is a photovoltaic (PV) cell?
This device converts radiant energy into electricity
400
About how much oil do we import from Canada, Mexico, and Saudi Arabia?
( <>5%
About 67% of total supply
500
What state is the top producer of wind energy?
Oklahoma
Texas
California
Texas
500
What method is used to mine two-thirds of U.S. coal ?
drilling
surface mining
sub surface mining
surface mining
500
What is hydropower's contribution to U.S. electricity production?
0-5%
5-10%
15-20%
more than 20%
5-10%
500
What is a solar collector?
This device converts radiant energy into heat
500
What is used to get the remnant of oil out of a drilled well?
Inject water, air, natural gas, carbon dioxide, or another substance into the deposit.