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Geology
study of the earth
| Question | Answer |
|---|---|
| Geology | is the study of te Earth’s physical structure, |
| The Earth’s layers | 1. Crust 2. Mantle 3. Outer core 4. Inner core |
| Plate tectonics | Plates tectonics is the theory that the earth’s plates moveSoil, Rocks, & Minerals |
| Minerals | inorganic crystalline substances made of only one substance. |
| Rock | is made up of multiple minerals |
| Soil | is a mixture of tiny broken-down rock particles |
| Humus | decayed remains of once living things. |
| Igneous rocks | formed from cooling molten rock like magma or lava |
| Sedimentary rocks | formed from layers of sediment like sand, silt, and dead organisms that compact together. |
| Metamorphic rocks | (formed when existing rocks are changed by intense heat and pressure) |
| Erosion | the process of wearing or grinding something down |
| Physical weathering | breaks rocks into smaller pieces |
| Chemical weathering | alters the rock's minerals by creating new substances through chemical reactions. |
| Plateau | is a flat, elevated landform that rises sharply above the surrounding area on at least one side. |
| Plains | is a large, flat area of land |
| fault-block | large chunks of Earth's crust break and shift along fault lines |