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14 questions
Why are fossils fuels so widely used?
They are renewable so they won't run out.
They pollution they produce is less compared to renewable energy sources.
They are easy to obtain and process.
They don't disrupt the environment when mined from the earth.
The gas form of fossil fuels is ____.
petroleum
natural gas
coal
heat
The fossil fuel represented in this picture is _____.
coal
petroleum
crude oil
natural gas
The fossil fuel represented in this picture is ____.
coal
natural gas
petroleum
crude oil
How long does it take for fossil fuels to form?
thousands of years
hundreds of years
billions of years
millions of years
What is a fossil?
A outline of an organism that lived millions of years ago
Parts of organisms that lived millions of years ago
Something really old
Something that we use to study the past
What is a fuel?
A chemical that we can burn to generate energy
Something that provides an object with energy
Something formed from millions of years ago
What does organic mean
Made from hydrocarbons
Made from natural resources
Contains no traces of living organisms
What does sediment mean?
Solid such as sand at the bottom of a liquid
A solution made from a solid dissolving in a liquid
piles of rocks on the surface
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