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Science Vocab-Unit 4

TermDefinition
Clay the smallest rock particle found in soil
Deposition the process by which weathered and eroded material is deposited by wind, water, or ice
Erosion the process where earth materials are broken down and moved from one area to another
Glacier a thick layer of compacted ice and snow that stays frozen all year
Gravel small stones and pebbles
Humus material in the soil formed from decayed plants and animals
Loam a soil that contains mostly sand and silt and some clay
Minerals a natural Earth material having a crystal form and its own physical properties (occurs in rocks)
Nutrients substances that an organism needs to live, survive, and grow
Organic material matter containing the decomposed remains of once-living organisms
Particle an extremely small part or piece of something
Sand a small particle of rock found on beaches and in the soil
Sediment small particles of sand, soil, shells, pieces of rocks and minerals, and organic matter deposited by water, wind, or ice
Silt a very fine particle of sand, clay, or other material that is carried by moving water and deposited as sediment
Soil a mixture of decaying organic material, weathered rock, water, mineral fragments, and air that takes thousands of years to develop
Weathering the action of physical conditions on Earth that cause earth materials to change in color, texture, composition, or form; process of breaking down rocks.
Created by: Remedies