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science test ch. 1
| Question | Answer |
|---|---|
| Earth Science | study of earth and its history |
| specialist | person who studies or works on only one part of a subject. |
| sphere | round, three-dimensional object. |
| lithosphere | solid part of earth. |
| hydrosphere | part of earth that is water. |
| atmosphere | envelope of gasses surrounding earth. |
| crust | solid, thin outer layer of earth. |
| mantle | thick layer of rock below the crust |
| core | innermost region of earth. |
| globe | three-dimensional model of earths surface. |
| map | flat model of earths surface. |
| distortion | error in shape, size, or distance. |
| map projection | drawing of earths surface, or part of it, on a flat surface. |
| parallel | horizontal line on a map or globe that circles earth from east to west at intervals starting at the equator. |
| latitude | distance in degrees north or sought of the equator. |
| meridian | line on a map or globe running from the north pole to the south pole along earths surface. |
| longitude | measurement in degrees east or west of the prime meridian. |
| scale | feature that relates distances on a map to actual distances on earths surface. |
| symbol | drawing on a map that represents a real object. |
| legend | list of map symbols and their meanings. |
| elevation | height of a point o earth above or below sea level. |
| topography | general form and shape of the land on earths surface. |
| contour line | line drawn on a map that connects all points having the same elevation. |
| contour interval | difference in elevation between one contour line and the next. |