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unit 6
| Question | Answer |
|---|---|
| Mineral | Is a naturally occurring, non-living solid that has a definite chemical composition and an orderly crystal structure. |
| Element | A pure substance made of one kind of atom. |
| Atom | Smallest piece of an element. |
| Compound | A substance made of two or more elements joined together. |
| Matter | Anything that has Mass and takes up space. |
| Crystal | A solid where atoms are arranged in a repeating pattern. |
| Streak | The color of a minerals powder when its rubbed on a surface. |
| Luster | How a minerals; reflects light. |
| Cleavage | How a mineral breaks along flat surfaces. |
| Weathering | The breaking down of rocks into smaller pieces. |
| Erosion | The movement of rock and soil from one place to another. |
| Deposition | When rock or soil is dropped or left behind after moving. |
| Igneous Rock | Rock formed when melted rock cools and hardens. |
| Sedimentary Rock | Rock formed from layers of sediment pressed together. |
| Metamorphic Rock | Rock changed by heat and pressure. |
| Rock Cycle | The process where rock changed from one type to another over time. |
| Uplift | When earths forces push rock upward to form mountains or higher land |
| Subsidence | When land sinks or drops downwards |
| Rift Zone | An area where Earth's crust is pulling apart. |
| Crust | The outer layer of earth where we live |
| Mantle | The thick middle layer of earth in between crust and core |
| Convection | The movement of heating moving by liquid or gas |
| Core | The center layer of earth made of very hot metal |
| Lithosphere | The rigged out layer of earth |
| Asthenosphere | The soft slowly moving layer under the lithosphere |
| Mesosphere | The strong lower part of the mantle below the asthenosphere |
| Pangea | A super continent where all Earth's land was once joined together |
| Sea-floor spreading | when new ocean crust forms and magma rises and pushes old crust apart |
| plate tectonics | the movement of large pieces of Earth's crust |
| tectonic plates | A large piece of Earth's lisosphere that moves |
| convergent boundary | where two tectonic plates move towards eachother |
| divergent boundary | Where two tectonic plates move away from eacother |
| transform boundary | where two tectonic plates slide past eachother |
| deformation | when rock is bent stretched or broken by pressure and heat |
| folding | when rock layers are bent by pressure |
| fault | when rocks crack and move along a break |
| sheer stress | force that pushes rock in opposite directions causing it to slide |
| tension | stress that pulls rock apart |
| compression | stress that squeezes rock together |
| earthquake | the shaking of the ground caused by movement along faults and Earth's crust |
| focus | the place inside Earth where an earthquake starts |
| epicenter | the place on Earth's surface directly above the focus |
| tectonic plate boundary | the place where two tectonic plates meet |
| elastic rebound | when rocks bend and snap back causing an earthquake |
| volcano | an opening in earth where magma ash and gasses escape |
| magma | melted rock under Earth's surface |
| lava | melted rock that has reached Earth's surface |
| vent | an opening where magma and gasses come out of a volcano |
| hot spot | a place where magma rises from deep inside Earth forming volcanos |
Created by:
Easton Altschwager