| A | B |
|---|
| island | an area of land that is completely surrounded by water |
| canyon | a large crack in the Earth caused by a river (erosion) or earthquakes--Grand Canyon |
| mountain | large, tall rock that extends into the air; taller than a hill and possibly formed by tectonic plates pusing together--Appalachian Mountains (Smokies) |
| hill | mound of earth with a rounded top; smaller than a mountain |
| isthmus | a thin strip of land that connects tow larger areas of land--isthmus of Panama |
| peninsula | a thin strip of land that extends into a body of water--like Florida |
| valley | an area of low land between hills or mountains--The Great Valley of East Tennessee |
| volcano | an opening in the Earth's crust from which lava escapes |
| plain | a large area of flat land--middle of America--Plains Indians |
| plateau | a large area of flatland that is higher than the land around it--Cumberland Plateau |
