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Core Concepts 2
social studies
| Question | Answer |
|---|---|
| orbit | the path an object makes as it revolves around another |
| revolution | a complete journey around the sun |
| axis | a imaginary line between the north and south poles |
| solstice | days and nights are equal in length |
| equinox | days are longer in one hemisphere and shorter in the other |
| rotation | a complete turn around earths axis |
| time zone | areas sharing the same time |
| core | the hot metal at the center of the earth |
| mantle | the thick rocky layer around the core |
| crust | the thin layer of rocks and minerals that surrounds the mantle |
| atmosphere | the thick layer of gases or air |
| landform | shapes and types of land |
| weathering | the process that breaks down rocks into tiny pieces |
| erosion | a process in which water, ice, or wind remove small pieces of rock |
| plateau | a large mostly flat area that rises above the surrounding land |
| valley | stretches of low land between the mountains |
| deposition | is the process of depositing material eroded and carried by water, ice, or wind |
| plain | large areas of flat or gently rolling land |
| delta | flat plains built on the seabed |
| plate tectonics | a theory that states that earths crust is made up of huge blocks called plates |
| magma | molten, melted rock |
| fault | seams in the earths crust |
| plate | huge blocks that include continents or parts of continents |
Created by:
hpavis
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