| A | B |
| continent | one of seven large landmasses on Earth |
| earthquake | sudden movement of the Earth's crust |
| Ring of Fire | a zone of volcanoes around the Pacific Ocean |
| glacier | large, slow moving mass of ice |
| sediment | pieces of rock in the form of sand, stone, or silt desposited by wind, water, or ice |
| continental shelf | the submerged land at the edge of a continent |
| tornadoes | funnels of wind that can reach 200 miles per hour |
| tectonic plate | large rigid section of Earth's crust that is in constant motion |
| drainage basin | area drained by a major river |
| ground water | water found beneath Earth's surface |
| hurricanes | tropical cyclones that form over the Atlantic Ocean |
| pangaea | supercontinent from 200 million years ago |
| frozen | most of Earth's fresh water is ____. |
| archipelago | a group of islands |
| cape | a piece of land that sticks out into a lake or sea |
| delta | a soil deposit at a river's mouth, usually triangle-shaped |
| gulf | a large area of ocean partly surrounded by land |
| island | land completely surrounded by water |
| isthmus | a narrow strip of land connecting two larger land areas |
| mountain range | a row of connected mountains |
| peninsula | land surrounded by water on three sides |
| plateau | an area of high, flat land |
| strait | a narrow body of water between two larger bodies of water |
| tributary | a river or stream that flows into a larger river |
| valley | low land between mountains or hills |
| glacier | large, slow-moving mass of ice |
| The Seven Continents | Europe, Antarctica, Asia, Africa, Australia, North America, South America |