| A | B |
| landform | are shapes that make up the surface of Earth |
| plain | is a large area of nearly flat land |
| geography | is the study of Earth |
| border | is a line that people agree on that divides one place from another |
| plateau | is a large area that rises steeply above the surrounding land |
| valley | is low land betwee hills or mountains |
| Ice Age | is a period of very cold weather |
| glacier | a thick sheet of ice |
| moraine | a line of low hills marks where the glacier stopped |
| till | a mix of soil and rocks |
| drumlin | rounded hills that look like an egg sliced in half along its length |