Sedimentary rock and fossil fuels

Front

What changes buried organic matter into fossil fuels?

Back

Heat and pressure.

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What are fossil fuels?

Back

Fuels that form from the remains of plant and other organisms that were buried and altered over millions of years.

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How is coal formed?

Back

From plant remains along with heat and pressure.

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Where does most sedimentary rock form?

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In the ocean, where most bits of broken rock get deposited.

Front

What carries sediments away?

Back

Erosion, which is caused by wind, water, ice, and gravity.

Front

What is sedimentary rock?

Back

Rock formed from the accumulation and compaction of mineral and organic particles.

Front

What is the process of deposition?

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The laying down of sediment carried by wind, water, or ice.

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What is weathering?

Back

The breaking down of rocks into smaller pieces by natural forces.

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What is cementation?

Back

The process by which dissolved minerals crystallize and glue particles of sediment together.

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What are the main types of fossil fuels?

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Coal, oil, and natural gas.