| A | B |
|---|
| geography | the study of the earth and how people use it |
| landforms | natural features of Earth's surface such as hill, plain, or mountain |
| glaciers | huge sheet of ice packed with snow that moves very slowly across a land surface |
| elevation | height of land above sea level |
| gorge | valley with very steep, rocky sides |
| tributary | stream or river that flows into a larger river |
| hemisphere | half of the globe, divided either along the prime meridian or the equator |
| continent | one of the 7 largest land areas on Earth |
| region | large area, the parts of which have something in common |
| physical feature | feature of the land such as a mountain or river |
| human feature | something built by humans, such as a city |
| culture | way of life of a group of people |
| valley | a type of landform that often has rivers flowing through it, such as the Hudson River |
| Ice Age | a period of time when the earth was colder than it was today |
| plateau | a large mostly flat area of land that rises above the surrounding land |
| human feature | something built by humans |
| mountain | a tall landform, such as Mount Marcy |
| estuary | an arm of the sea |
