Across
- 2. The place where a river empties into a larger body of water.
- 5. Protecting natural resources and using them wisely.
- 8. A deep, narrow valley with steep sides.
- 10. The place where a river begins.
- 14. Something found in nature that people can use.
- 15. A river or stream that flows into a larger river.
- 16. A line that shows the end of a place.
- 17. Resources that can be replaced.
- 20. Land that is level with the surface of the ocean.
- 22. A low, bowl-shaped land with higher ground around it.
- 23. The largest land areas on Earth.
- 25. Natural substances found in rocks.
- 26. Features such as mountains, hills, valleys, and plains.
Down
- 1. Water that falls to Earth.
- 3. How hot or cold the air is.
- 4. Halves of the Earth.
- 6. The surroundings where people, plants, and animals live.
- 7. Resources that cannot be replaced.
- 9. A high, flat area of land.
- 11. Where a place is in relation to other places.
- 12. Part of an ocean or sea that reaches into the land.
- 13. Divides Earth into the Eastern and Western himispheres.
- 18. Circles halfway between the North Pole and South Pole.
- 19. Moisture in the air.
- 21. The kind of weather a place has over a long time.
- 24. The height of land above sea level.