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Science Lesson 2
Science Midterm Vocab Review
| Term | Definition |
|---|---|
| Weathering | The mechanical and chemical processes that changes Earth's surface over time |
| Mechanical Weathering | Physical processes that naturally break rocks into smaller pieces |
| Chemical Weathering | The process that changes the compisition of rocks and minerals due to exposure to the enviroment |
| Oxidation | The process that combines the element oxygen with other elements or molecules |
| Soil | A mixture of weathered rock, rock fragments, decayed organic matter, water and air |
| Organic Matter | Remains something that was once alive |
| Pores | Small holes and spaces in soil |
| Decompisition | The breaking down of dead organisms and organic waste |
| Parent Material | The starting material of soil consisting of rock or sediment that is subject to weathering |
| Climate | The long-term average weather conditions that occur in a particular region |
| Topography | The shape and steepness of the landscape |
| Biota | All of the organisms that live in a region |
| Horizon | Layers of soil formed from the movement of the products of weathering |