A thick black liquid formed by the remains of algae. It takes up 1/3 of the world's energy (33%)
What is Oil/Petroleum
100
An inexhaustible form of energy coming from the sun creating heat & light
What is Solar energy
100
Nonrenewable resources are used in cars that produce exhaust. Exhaust ___ the air.
What is pollution
100
Electric cars run on ___ instead of fossil fuels
What is electricity
100
Oil reserves are to run out in 60-90 years, although solar energy is ______
What is inexhaustible
200
Coal
What is a solid fossil fuel made from plant remains
200
What type of energy do dam's produce
What is hydropower
200
Most oil is found in ___ ___. (It's in the middle east)
What is Saudi Arabia
200
___ doesn't pollute as much as other fuel, and we have quite a bit of it. It can be found in between ice in Alaska
What is methane
200
Solar energy can only be harnessed when it is _____, not cloudy.
What is sunny
300
The process of burning fuel is _____
What is Combustion
300
How many countries use hydroelectric power
What is 150
300
When fossil fuels are transferred into electrical energy, it can be a cause of acid ____
What is acid rain
300
Use less plastic because plastic is made from ___
What is oil/petrol
300
Solar energy is produced by the sun's __________.
What is radiation
400
The percent of The U.S's coal supply
What is 23%
400
Fill in the blank: Biomass- a fuel formed from things that recently have ___
What is died
400
There are many types of alternative ____
What is fuel
400
Bikes don't run on ___ ___ like oil. So try to bike more
What is fossil fuels
400
Solar cells make no _____ at all; unlike the big oil pumping machines that are very noisy
What is noise?
500
When will natural gas reserves run out?
What is 60-90 years
500
Fill in the blank: The first modern wind turbine was created in Vermont in the early 19__'s
What is 1940's
500
Fossil fuels hurt the environment and can harm the lungs of ___
What is people/animals
500
Some people have solar panels or ____'s which produce solar energy. They are used to produce electricity instead of fossil fuels being converted into electricity which may cause acid rain over time.
What is cell's
500
Once you buy a panel, you don't have to pay any more ______