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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 |