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Earth Sci Ch 5 Voc
| Question | Answer |
|---|---|
| the mechanical and chemical properties that change objects on earths surface over time | weathering |
| when physical processes naturally break down rocks into smaller pieces | mechanical weathering |
| changes the materials that are part of a rock into new materials | chemical weathering |
| combines the element oxygen with other elements or molecules | oxidation |
| is a mixture of weathered rock, rock fragments, decayed organic matter, And air | soil |
| is the remains of something that was once alive | organic matter |
| small holes and spaces | pores |
| is the process of changing once living materials into dark colored organic matter | decomposition |
| the starting material of soil | parent material |
| the average weather of an area | climate |
| is the average shape and steepness of an area | topography |
| all of the organisms that are living in an area | biota |
| are layers of soil formed from the movement of the products of weathering | horizons |