Across
- 2. It takes the moon about this much time to revolve around the Earth one time.
- 6. This branch of geography studies human activities and their relationship to the environment.
- 8. The percentage of the Earth that is water.
- 9. This branch of geography focuses on the study of Earth's physical features.
- 13. When a sea plate collides with and dives beneath a continental plate.
- 14. Land makes up this region of the Earth.
- 16. A fertile, yellow-gray soil that can provide mineral rich soil.
- 19. Describes a place's location in relation to another place.
- 21. Part of the continent that extends underwater.
- 23. Study of weather and weather forecasting.
- 25. The movement of plates in the Earth's crust.
- 28. The theory that all the continents were once joined and have broken apart.
- 29. A community of plants and animals that depend on one another and their surroundings for survival.
- 30. This layer of the Earth is made of plates.
Down
- 1. The study of humans throughout time.
- 3. 21 percent of the atmosphere is made of this gas.
- 4. Geographers study this to understand how the location of resources affects the ways people make, transport, and use goods and provide services.
- 5. These systems shape the earth's surface.
- 7. This layer of the Earth is made of hot, dense rock.
- 10. The exact latitude and longitude at which a place is found on a globe.
- 11. Oceans, lakes, rivers, and other bodies of water make up this part of the Earth.
- 12. Mapmaking.
- 15. These are formed when the layers grind or slide past each other in the Earth's crust.
- 17. This layer of the Earth is made of iron and nickel.
- 18. The study of groups.
- 20. 78 percent of the atmosphere is made of this element.
- 22. This process occurs when large masses of rock are broken down into smaller pieces.
- 24. advanced technology geographers use to study the environment, weather, and human settlement patterns.
- 26. The percentage of Earth that is land.
- 27. The part of the Earth that supports life.