| A | B |
| latitude | imaginary lines that circle the earth parallel to the Equator |
| region | One of the 5 geography themes: the basic unit of study, areas that share common features |
| grid system | network of imaginary lines on the earth's surface, formed by the criss-crossing lines of latitude and longitude |
| Equator | divides the earth into two hemispheres North and South |
| change | one form of HEI - when humans build roads or dig tunnels through mountains |
| geography | the study of the earth in all it's variety |
| absolute location | the exact position of a place on the earth's suface |
| hemisphere | one half of the globe (earth) |
| longitude | inaginary lines that run from the North Pole to the South Pole |
| relative location | the position of a place on the earth's surface in relation to another place |
| place | one of the 5 geography themes: tells what a place is like |
| human environmental interaction (HEI) | one of the 5 geography themes: how humans interact with their environment |
| movement | one of the 5 geography themes, how people, goods or ideas in one place get to another place |
| regions | one of the 5 geography themes, areas that share some common characteristics |
| Equator | an imaginary line that circles the earth midway between the north Pole and the South Pole |
| Prime Meridian | an imaginary line at 0 degrees longitude that separates the globe into the eastern and western hemispheres |
| adapt | one form of HEI - when humans wear clothing to protect them in specific climates or weather |
| cultural diffusion | when one group of people comes into contact with another group and influences them |
| immigration | movement of people into another country |
| migration | movement of people within a country |