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1st Semester Final V
Vocab
| Term | Definition |
|---|---|
| Index Contour | A contour line that is bold and labeled |
| Magnetosphere | A sphere that extends into space and protects us from solar winds |
| convection currents | The circular motion of the rising and falling magma inside the Earth |
| Paleomagnetism | time the rock cooled/hardened based on magnetic orientation |
| Supercontinent Cycle | the process in which continents form and break apart over time |
| Earth's asthenosphere | a solid that flows |
| Matter | anything that takes up space and has mass |
| Metamorphism | changing of a rock by heat and pressure. |
| intrusive igneous | type of rock is produced by magma that cools deep below the earth's crust |
| contour line | shows elevation on topographical map |
| Regional metamorphism | changing due to tectonic activity |
| Lava | it is what magma is called when it breaks to the Earth's surface |
| Magma | the intermediate stage of forming a specific rock |
| Mountain Folding | may result from the collision of one continental plate with another |
| Good cleavage | A mineral that splits into even sheets |
| liquid outer core | The part of the Earth thought to be responsible for the magnetic field |
| phosphorescent | Minerals that continue to glow after exposure to ultraviolet light |
| density | The ratio of mass to a substance |
| legend | On a map, a list of symbols and their meanings |
| Pangaea | an ancient single landmass |
| Fracture | the way in which a mineral breaks along irregular or curved surfaces |