| A | B |
|---|
| region | area in which places share similar characteristics |
| landform | natural feature on Earth's surface |
| types of landforms | mountain, plains, deserts, plateau, canyons |
| canyon | deep valley with steep rocky walls |
| plateau | large, flat, raised area of land |
| climate | weather of a place averaged over a long period of time |
| precipitation | amount of rain or snow that falls |
| humidity | amount of moisture in the air |
| equator | imaginary line that circles the center of the Earth from east to west |
| elevation | how high a place is above sea level |
| polar climate | coldest type of climate on Earth; opposite of tropical climate |
| natural resources | something in the environment that people can use |
| raw material | thing we change or process so people can use it |
| industry | form of business |
| product | something that people make, use, sell, or grow |
| agriculture | using the soil to raise crops or animals |
| conserve | use resources carefully |
| renewable resources | water, soil, trees |
| nonrenewable resources | natural resources that cannot be replaced |
| recycle | to use again |
| human resources | persons who make products or provide services |
| service | job that a person does for others |
| major US regions | Northeast, Southeast, West, Southwest, Midwest |
| Midwest major landform | plains |
| landform found in the Southwest region | Grand Canyon |
| regional boundaries | not set by rules or laws |
| Major landforms | determine regional boundaries |
| two major factors of weather & climate | temperature and precipitation |
| climate is based on weather averaged over a period of time | difference between climate & weather |
| tropical climate | usually warm to hot all year |
| hot and dry | describes the Southwest climate |
| most valuable resource of the Northeast | coal |
| valuable resources of the Southwest | oil, cotton, natural gas |
| oil | a non renewable liquid resource |
