1. Landforms

2. Bay A part of a sea or lake that extends into the land.
Examples: Bay of Bengal, Hudson Bay

3. Canyon
A deep, narrow valley with steep sides; often has a stream flowing through it.
Examples: Grand Canyon, Colca Canyon

4. Desert An area that receives less than 10 inches of rainfall annually.
Examples: Sahara Desert, Gobi Desert

5. Glacier A huge, slow-moving mass of snow and ice
Examples: Variegated Glacier, Piedmont Glacier

6. Island An area of land completely surrounded by water
Examples: Hawaii, Jamaica

7. Isthmus A narrow strip of land that connects two larger areas of land
Examples: Isthmus of Panama,
Isthmus of La Dune

8. Mountain
An area that rises steeply at least 2,000 feet above surrounding land.
Examples: Mount Kilimanjaro
Mt. Everest

9. Peninsula
An area of land almost completely surrounded by water and connected to the mainland by an isthmus.
Examples: Michigan, Florida, Italy

10. Plain A large area of flat or gently rolling land
Examples: Great Plains, Serengeti Plains

11. Plateau
A large, flat area that rises above the surrounding land; at least one side has a steep slope
Examples: Lava Plateau, Deccan Plateau

12. River
A large natural stream of water flowing in a channel to the sea, a lake, or another such stream.
Examples: Mississippi River, Nile River

13. Sea
The expanse of salt water that covers most of the earth's surface and surrounds its landmasses.
Examples: Mediterranean Sea, Red Sea

14. Valley
A low area of land between hills or mountains, typically with a river or stream flowing through it. Examples: Death Valley, Great Rift Valley

15. Volcano
An opening in the Earth’s surface through which molten rock, ashes, and gasses from the Earth’s interior escape
Examples: Mount Vesuvius, Mount St. Helens

16. Waterfall
A place where water flows over a vertical drop or a series of steep drops in the course of a stream or river.
Examples: Niagara Falls, Yosemite Falls