Week of 4/11: Landforms/Sed.Rock/FossilFuels/Fossils

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What is a delta?

Back

A triangular landform created by deposition where a river empties into another body of water.

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What is erosion?

Back

The removal, movement, or carrying of sediment from one place to another by water, wind, or ice.

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What is wind?

Back

The natural movement of air.

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What causes the formation of sedimentary rock?

Back

Weathering, Erosion, Deposition, Compaction, and Cementation.

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What is natural gas?

Back

A flammable material without a definite form, produced from the remains of marine organisms in an ocean that are buried under layers of sediment.

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What is sediment?

Back

Small pieces of rock, minerals, or organic material that are transported by wind, water, or ice.

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What is deposition?

Back

The process by which sediment settles out of the transporting medium (like water or wind) and accumulates in a new location.

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What is compaction?

Back

The process by which sediments are pressed together under their own weight, reducing their volume.

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What is cementation?

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

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What are fossil fuels?

Back

Natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas.