Sedimentary Rock and Fossil Fuel Formation

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What is sedimentary rock?

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Sedimentary rock is a type of rock formed by the accumulation and compaction of mineral and organic particles, often in layers.

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How is natural gas formed?

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Natural gas is formed from ancient oceans filled with lots of dead microscopic animals that undergo heat and pressure over millions of years.

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NGSS.MS-ESS3-1

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What is coal made from?

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Coal is created from ancient swamp environments filled with lots of dead plant life that is buried and subjected to heat and pressure over millions of years.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What is deposition in geology?

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Deposition is the process where sediment settles and builds up in a new location, often forming layers.

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NGSS.MS-ESS2-2

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What does compaction mean in the context of sedimentary rocks?

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Compaction is the process where overlying pressure from rocks and soil presses down on layers of sediment, reducing their volume.

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What is cementation?

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Cementation is the process where dissolved minerals crystallize and bind sediment particles together, forming solid rock.

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What is erosion?

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Erosion is the process of wearing away and transporting soil and rock from one location to another, often by wind, water, or ice.

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

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What is the time frame for coal formation?

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Coal takes millions of years to form due to the slow processes of decomposition, heat, and pressure.

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What are fossils?

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Fossils are the preserved remains or traces of ancient organisms, often found in sedimentary rocks.

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NGSS.MS-ESS2-3

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What role do ancient environments play in fossil fuel formation?

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Ancient environments, like swamps and oceans, provide the organic material that eventually transforms into fossil fuels like coal and natural gas.

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NGSS.MS-ESS3-1