GED Social Studies TestGeography and the WorldMedium
A geographer is examining a map that uses lines connecting points of equal atmospheric pressure at a given time. What type of isoline is the geographer analyzing?
- AIsotherm
- BContour line
- CIsohyet
- DIsobar
Show answer & explanationAnswer & explanation
Correct answer: D. Isobar
Isobars are lines on a map connecting points of equal atmospheric pressure. Contour lines show elevation, isotherms show temperature, and isohyets show rainfall.
Why the other options are wrong
- A. Isotherms connect points of equal temperature.
- B. Contour lines connect points of equal elevation.
- C. Isohyets connect points of equal rainfall.
Isobar
An isobar is a line on a weather map or chart that connects points of equal atmospheric pressure.
- Used in meteorology to visualize pressure systems.
- Closely spaced isobars indicate strong winds.
- Help predict weather patterns like fronts and storms.
Memory trick: Iso-lines show 'equal' values, like a map's secret code.