| A | B |
|---|
| weather | condition of the air at any given time & place |
| hemisphere | one half of the Earth (Northern, Southern, Western, Eastern) |
| Equator | an imaginary line circling the Earth, halfway between the North and South poles |
| longitude | distance east and west of the prime meridian |
| Prime Meridian | the line of longitude marked 0 on the world map |
| latitude | distance north or south of the Equator |
| Geography | the study of the people, their environments, and resources |
| History | account of what has happened in the lives of different people |
| irrigate | bring water to the desert by digging ditches |
| globe | a sphere with a map of the earth printed on it |
| cartographer | map makers |
| map projection | ways of drawing the earth on a flat surface |
| Standard Time Zone | a system to tell time around the world (24 time zones) |
| Isthmus | a narrow strip of land |
| mountain | high steep, rugged land |
| Elevation | height of at least 1,000 feet (300 m) |
| Hill | areas of raised land lower and more rounded than mountains |
| plain | broad areas of fairly level land |
| plateau | plains a few hundred to may thousand feet above sea level |
| tributary | streams and smaller reviers flow into large rivers (Mississippi-Missouri) |
| climate | the average weather of a place ove a period of 20 to 30 years |
| precipitation | water that falls in the form of rain, sleet, hail or snow |
| alititude | height above sea level |
