True or false? Petroleum that is used today was formed millions of years ago. It is a nonrenewable resource.
true
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15
Most of the oil is made into ___________.
gasoline
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15
Which coals are the oldest coals?
hard coal
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20
They were under high pressures and high temperatures.
hard coal
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25
Petroleum has a lot of energy. It is turned into different fuels. Name three.
gasoline, kerosene and heating oil.
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15
Name two everyday items made from petroleum.
plastic and ink
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20
They were under low pressures and low temperatures.
soft coal
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15
_________ are made from decayed plants and animals that lived long ago.
fossil fuels
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15
How is coal formed?
Coal is formed from the remains of plants.
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15
What household appliance uses methane?
Methane is the gas that is burned in most stoves.
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15
What is a fuel?
A fuel is a substance that is burned to release its stored energy.
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25
Explain how people got oil long time ago.
Long ago people did not dig for oil. The oil seeped from under the ground into ponds. It floated on the water. People gathered the oil from the top of the water