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Science vocabulary
Term | Definition |
---|---|
uniformitarianism | A principle that states that the geologic processes that operate today also operated in the past. |
erosion | the process of wearing down and carrying away rocks. |
Weathering | the process that breaks down rock and other substances. |
Mechanical weathering | The type of weathering in which rock is physically broken into small pieces. |
Chemical Weathering | The process that breaks down rock through chemical changes. |
Abrasion | The wearing away of rock by rock particles carried by water, ice, wind, or gravity . |
Frost wedging | wedges of ice in rocks widen and deepen |
Oxidation | Iron combines with oxygen in the presence of water |
Permeable | means that a material is full of tiny connected air spaces that allow water to seep through it. |