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How Fossil Fuels Form

Teacher: Mrs. Williams
Across
This is a hard, black form of coal.
One of the places where petroleum is imported from.
This is what natural gas is mostly called.
Burning a fossil fuel releases large amounts of ______.
Petroleum and natural gas are found only in _____ _____.
Many chemicals, called ______ are made from oil.
Many petroleum and natural gas deposits are found _________.
Down
Most of the coal used today comes from ______.
This is sometimes called brown coal.
This is what petroleum is used mainly for.
This is the most useful type of coal.
Fossil fuels are formed over millions of years from decayed remains of ______.
This is the world's most widely used fossil fuel.
Coal, natural gas, and oil are valuable resources known as _____ ____.
A dark yellow or brown crumbly material.