22 terms

Weathering and Erosion

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Oil
A flammable liquid produced from organic matter (remains of marine organisms) buried under layers of sediments for millions of years.
Natural Gas
A flammable material, without a definite form, produced from organic material (remains of marine organisms) buried under layers of sediment found near oil deposits.
Pressure
The action of force by one object against another (in a geyser hot water escapes the pressure from under layers of Earth's crust).
Sedimentary Rock
Rock made of layers of compressed organic and inorganic sediments.
Fossil Fuel
Non-renewable flammable material (coal, oil, natural gas) made from the remains of plants and animals buried in Earth's crust that is used to p produce heat and power.
Organic Matter
The waste and remains of plants and animals.
Landform
Features on the surface of Earth such as mountains, hills, dunes, oceans, and rivers.
Delta
A triangle-shaped (deposit) landform at the mouth of a river as it empties into another body of water.
Canyon
A deep gorge in the surface of Earth formed by the erosion of moving water and sand.
Sand dune
Hills formed by the wind blowing sand.
Weathering
The break down of rock into smaller particles from the
effects of wind, water, and ice.
Volcano
Created from the mixture of molten lava, ash, and gasses from the middle of Earth that erupts through a crack in Earth's surface.
Earthquake
A sudden release of energy under Earth's surface that makes the ground shake or crack.
Deposition
The build up of land by depositing sediment and soil in a new location.
Erosion
The movement of weathered material on Earth's surface by wind, water, or ice.
Fossil
Preserved parts or traces of animals and plants that lived in the past.
Model
A limited representation of something that can help us understand it's structure or how it works.
Sediment
Small pieces of rock.
Decay
To rot and break down into small parts.
Imprint
A mark or depression made by pressure.
Evidence
A sign or proof.
Abrasion
Rubbing or scraping together.
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