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CH 1 Earth Systems
Introduction to Earth Science
| Term | Definition |
|---|---|
| meteorology | the scientific study of the atmosphere and atmospheric phenomena; the study of weather and climate |
| hydrosphere | the water portion of Earth; |
| OCEANOGRAPHY | study the composition and movements of seawater, as well as coastal processes, seafloor topography, and marine life. |
| astronomy | the study of the universe, is useful in probing the origins of our own environment. |
| HYDROSPHERE | the water portion of Earth; one of the traditional subdivisions of Earth’s physical environment |
| GEOSPHERE | layer of Earth under both the atmosphere and the oceans; It is composed of the core, the mantle, and the crust. |
| BIOSPHERE | all life on Earth; the parts of the solid Earth, hydrosphere, and atmosphere in which living organisms can be found |
| CORE | core the innermost layer of Earth, located beneath the mantle; The core is divided into an outer core and an inner core. |
| lATITUDE | the distance north or south of the equator, measured in degrees. |
| Longitude | the distance east or west of the prime meridian, measure in degrees |
| topographic map | a map that represents Earth’s surface in three dimensions; It shows elevation, distance, directions, and slope angles. |
| contour line | line on a topographic map that indicates an elevation; Every point along a contour line has the same elevation. |
| contour interval | on a topographic map, tells the distance in elevation between adjacent contour lines |