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isolines quiz
earth science
| Question | Answer |
|---|---|
| field | a region which contains measurable quantities at every location |
| field value | the value of what is being measured |
| magnitude | value for a point on a field |
| scalar field | a field described in terms of magnitude alone |
| vector field | a field described with both magnitude and direction |
| isoline | a line on a field map that connects all points of equal value |
| contour line | isoline that connects points of equal elevations on a contour map |
| isotherm | isoline that connects points of equal temberature |
| isobar | isoline that connects points of equal pressure on a field map |
| field gradient | change in value divided by distance |
| topographic map | a model of the elevation field of the surface of the earth |
| elevation | height above sea level |
| contour interval | vertical distance, or change in elevation between contour lines |
| scale | the ratio of a model to the object |
| map profile | a side view of an area showing elevation |