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Earth's Structures
| Term | Definition |
|---|---|
| Mineral | A mineral is a naturally occurring, usually inorganic solid that has a definite crystalline structure and chemical composition. |
| Element | Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means. |
| Atom | Atoms can be thought of as the building blocks of matter. |
| Mineral | A mineral is a naturally occurring, usually inorganic solid that has a definite crystalline structure and chemical composition. |
| Compound | A substance is made up of molecules of two or more elements, the substance is called a compound. |
| Element | Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means. |
| Atom | Atoms can be thought of as the building blocks of matter. |
| Compound | A substance is made up of molecules of two or more elements, the substance is called a compound. |
| Luster | The way a surface reflects light is called luster. |
| Matter | Matter is anything that has volume and mass. |
| Cleavage | The tendency of a mineral to split along specific planes of weakness to form smooth, flat surfaces is called cleavage. |
| Crystal | A crystal is a solid, geometric form that results from a repeating pattern of atoms or molecules. |
| Streak | The color of the powdered form of a mineral is its streak |
| Luster | The way a surface reflects light is called luster. |
| Cleavage | The tendency of a mineral to split along specific planes of weakness to form smooth, flat surfaces is called cleavage. |
| Weathering | The process by which water, wind, ice, and changes in temperature break down rock is called weathering. |
| Erosion | The process by which sediment is moved from one place to another is called erosion. |
| Deposition | In bodies of water and other low-lying areas. The process by which sediment comes to rest is called deposition. |
| Uplift | |
| Igneous rock | Igneous rock forms when magma or lava cools and hardens to become solid. |
| Subsidence | |
| Sedimentary rock | Sedimentary rock forms when minerals that form from solutions or sediment from older rocks get pressed and cemented together. |
| Metamorphic rock | Metamorphic rock forms when pressure, temperature, or chemical processes change existing rock. |
| Rock cycle | This series of processes in which rock changes from one type to another is called the rock cycle. |
| Uplift | Uplift is the rising of regions of the crust to higher elevations. |
| Subsidence | Subsidence is the sinking of regions of the crust to lower elevations. |
| Rift zone | A rift zone is an area where a set of deep cracks form. |
| Crust | The outermost solid layer of Earth is the crust. |
| Mantle | The mantle is located between the core and the crust. |
| Convection | Convection is the movement of matter that results from differences in density caused by variations in temperature. |
| Core | The core extends from below the mantle to the center of Earth. |
| Lithosphere | The outermost, rigid layer of Earth is the lithosphere. |
| Asthenosphere | The asthenosphere is a layer of weak or soft mantle that is made of rock that flows slowly. |
| Mesosphere | The strong, lower part of the mantle is called the mesosphere. |
Created by:
jorge kahwati
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