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8th GRADE SCIENCE
CHAP 3 VOCABULARY QUIZ
| Term | Definition |
|---|---|
| map | a simplified image that is a model of part of the earth's surface |
| cartographers | map makers |
| cardinal directions | north, south, east, and west |
| equator | the great circle around the earth, 0 degrees latitude, divides the earth into northern and southern hemispheres |
| parallels | parallel circles around the earth, parallel to the equator |
| longitude | lines on a globe that run from pole to pole dividing the earth into eastern and western hemispheres |
| meridians | lines of longitudes |
| geographic coordinates | the intersection of two lines of longitude and latitude |
| map projection | constructing a map by transferring each point on the earth's spherical surface to a surface that is flat |
| contour lines | show elevations on the map above some standard height |
| thematic map | shows a unified idea when plotted on the map: location of diseases, earthquakes, or political boundaries |
| geographic information system | consists of digital software to use and display data on maps; collect data to create maps |
| map scale | indicated by ratio or fraction and shows distance between two points |