Fossil Fuels & Renewable Resources

Fossil Fuels are

• pieces of rock that have been compacted many times

• rock that contains 50% plant and animal remains

• metamorphic rock

• fuels that form from the remains of plant and other organisms that were buried and altered over million of years

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This fossil fuel has been created by the remains of plants and must be mined from deep within the Earth.

• oil

• coal

• natural gas

• solar

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Coal is formed from

• rocks

• a factory

• remains of small organisms that lived many millions of years ago in our oceans

• plant remains along with heat and pressure

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This is how oil is extracted (pulled) from underground.

• mining

• shoveling

• scraping

• drilling

Two ADVANTAGES of Fossil Fuels are:

• They are not easy to find and hardly generate electricity

• Are easy to find and generate huge amounts of electricity for big cities.

• Are nonrenewable and generate just enough electricity for big cities

• Are renewable and are gone once used up

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The four factors that contribute to the formation of fossil fuels are

• energy, sunlight, food and water

• natural gas, oil, and coal

• organic matter, temperature, time and temperature conditions

• plastic, medicine, cosmetics and jewelry

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The diagram shows layers of sedimentary rock and examples of the fossils each layer contains, Which layer contains the oldest fossils? 

• A. Layer 2
• B. Layer 4
• C. Layer 1
• D. Layer 3

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Where are most fossils found?

• A. In sand dunes
• B. In volcanoes
• C. In igneous rocks 
• D. In sedimentary rocks 

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The surface of the land displays a mountain range and rivers. What might a scientist conclude about about the environment, based on the fossils in the sedimentary layers? 

• A. The land was once a rainforest. 
• The area was once covered by a desert. 
• C. The area was once a grassy plain. 
• D. The area was once near or covered by an ocean. 

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How are fossils created?

• A. Traces of organisms harden like rock. 
• B. Dead organisms are quickly buried for millions of years.
• C. Animals get trapped.
• D. All of the above

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