Solar Energy
Wind Energy
Hydroelectric Energy
Coal
Miscellaneous
100
Solar energy does not cause pollution, but what part of the process causes indirect pollution?
Manufacturing equipment and machines causes some pollution.
100
Do wind turbines cause pollution?
No.
100
What happens when the electricity from a dam is not needed?
Some of the gates can be closed and the water can be saved until more electricity is needed.
100
What do we mean when we say coal is a nonrenewable resource?
Once it is gone, it cannot be replenished.
100
Saudi Arabia is the country that produces the most oil, but which country uses the most?
United States
200
Why would a rainy day be a bad thing for someone relying on solar energy?
Solar energy can only be collected on days when it is sunny.
200
How much noise can a wind turbine generate?
The same amount as a car traveling at 70 mph.
200
What happened when the Hoover Dam was built?
It caused an earthquake.
200
What makes coal more affordable than other types of energy?
Its price is more stable than other types.
200
Scientists are coming up with ways to extract methane gas from the manure of what animal?
Cows
300
What makes solar power stations different than other types?
They have to be bigger to produce the same amount of energy.
300
What makes wind energy a money-saving option in the long run?
Wind by itself doesn't cost anything.
300
Why would people living near a new dam be upset about its construction?
Building a dam changes the landscape and people living there may have to move because of flooding.
300
How does coal energy contribute to global warming?
It produces greenhouse gases.
300
Which U.S. state produces the most coal?
Wyoming
400
Why is solar energy useful for people in remote areas?
It is expensive for them to get electricity from the power grid.
400
Where can wind turbines be located, besides the countryside?
In the ocean.
400
How much money was spent worldwide on dams during the 1900s?
2 trillion dollars.
400
What energy source is being extracted from mountaintop mining?
Coal.
400
Which country gets the largest percentage of energy from wind power? (hint: It's in Europe)
Denmark
500
If we could harness all of the sunlight that hits Earth each day, how much extra energy would we have?
We would have 6000 times more energy than we would need to power everything on Earth for that day.
500
How long is a wind turbine blade?
116-148 ft.
500
Which country has the most dams?
China
500
Why is a coal power plant safer than a nuclear power plant?
If it fails, it will not cause a dangerous meltdown.
500
What percentage of U.S. electricity is generated by nuclear power
20%
M
e
n
u