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Science Rocks #1

Weathering

TermDefinition
Weathering The process by which rock materials are broken down by the actual physical or chemical processes.
Element A substance that cannot be separated or broken down into simpler substances by chemical means.
Compound A substance made up of atoms of two or more different elements joined by chemical bonds.
Crystal A solid whose atoms, ions, or molecules are arranged in a definite pattern.
Density The ratio of mass of a substance to the volume of the substance.
Deposition The process in which material is laid down.
Mechanical weathering The breakdown of rock into smaller pieces by physical means.
Abrasion The grinding and weathering away of rock surfaces through the mechanical action of other rock or sand particles.
Chemical Weathering The process by which rocks break down as a result of chemical reactions.
Differential Weathering The process by which softer, less weather resistant rocks wear away and leave harder more weather resistant rocks behind.
Created by: llindley
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