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Earth Structures
Unit 6
| Question | Answer |
|---|---|
| Mineral | a naturally formed, inorganic solid with a crystalline structure |
| element | a substance that cannot be separated or broken down into simpler substances by chemical means |
| atom | the smallest unit of an element that maintains the properties of that element |
| compound | a substance made up of atoms or ions of two or more different elements joined by chemical bonds |
| matter | anything that has mass and takes up space |
| crystal | natural solid substance that has a definite geometric shape |
| streak | the color of a mineral in powdered form |
| luster | the way in which a mineral reflects light |
| cleavage | n geology, the tendency of a mineral to split along specific planes of weakness to form smooth, flat surfaces |
| weathering | the natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks |
| erosion | the process by which wind, water, ice, or gravity transports soil and sediment from one location to another |
| deposition | the process in which material is laid down |
| igneous rock | rock that forms when magma cools and solidifies |
| sedimentary rock | a rock that forms from compressed or cemented layers of sediment |
| metamorphic rock | a rock that forms from other rocks as a result of intense heat, pressure, or chemical processes |
| rock cycle | the series of processes in which rock forms, changes from one type to another, is destroyed, and forms again by geologic processes |
| uplift | the rising of regions of the Earth’s crust to higher elevations |
| subsidence | |
| rift zone | |
| crust | |
| mantle | |
| convection | |
| core | |
| lithosphere | |
| asthenosphere | |
| mesosphere | |
| Pangaea | |
| sea floor spreads | |
| plate techonics | |
| techonic plates | |
| convergent boundary | |
| divergent | |
| transform boundary | |
| deformation | |
| folding | |
| fault | |
| shear shress | |
| tension | |
| compression | |
| earthquake | |
| focus | |
| epicenter | |
| tectonic plate boundary | |
| elastic rebound | |
| volcano | |
| magma | |
| lava | |
| vent | |
| hot spot | a volcanically active area of Earth’s surface, commonly far from a tectonic plate boundary |
Created by:
Josiah Morgan