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Vocab Quiz 14
| Term | Definition |
|---|---|
| Sedimentary Rock | rocks formed from sediments being compacted together and cemented over a long period of time |
| Metamorphic Rock | rocks formed deep underground from existing rocks. Existing rocks are changed over a long period of time due to heat from magma and the pressure of the layers above. |
| Igneous Rock | rocks formed when molten rock from beneath Earth’s surface cools and hardens |
| Crust | The outermost layer of the Earth that is made of minerals. The tectonic plates are a part of this layer. |
| Mantle | Layer located below the crust that is made of partially molten rock. Magma that erupts from volcanoes is a part of this layer. |
| Outer Core | Located below the mantle and is made of liquid iron and nickel. The flowing movement of these metals causes Earth’s magnetic field. |
| Inner Core | The center of the planet, made of solid iron and nickel that is under intense pressure. |
| Geosphere | composed of the rocks and minerals that make up Earth |
| Biosphere | composed of all living things on Earth and their ecosystems |
| Hydrosphere | composed of all water on Earth (solid, liquid, and gaseous states) |