Physical Geography

3. The layer of gases that surrounds Earth
5. The imaginary lines that run north to south and measure distance east or west from the Prime Meridian
6. A large area of flat or gently rolling land
7. The spinning of Earth on its axis
9. The movement of Earth around the Sun
12. Cycle The movement of water from Earth's surface to the atmosphere and back again
14. A steep valley with high rocky sides, often formed by a river
16. The study of Earth's physical features and human populations
17. An area of land that is surrounded by water on all sides
18. The imaginary line that runs east to west and divides Earth into Northern and Southern Hemispheres

1. A large body of water that is smaller than an ocean
2. A high mountain or group of mountains
4. The weather patterns of an area over a long period of time
6. A piece of land that sticks out into the water
7. A large area of land with similar features and climate
8. A continuous area of land surrounded by water
10. The imaginary lines that run east to west and measure distance north or south from the Equator
11. A large area of trees covering many square miles
13. A narrow strip of land that connects two larger areas of land
15. A large body of salt water that covers most of Earth's surface