Across
- 2. The planet where we live.
- 4. Water that drops from a high place, like a waterfall.
- 8. A large area full of trees.
- 9. Water that falls over a cliff or high place.
- 12. The number of people living in a place.
- 15. A large body of water surrounded by land.
- 16. A very large body of salt water covering most of Earth.
- 18. One of the large land areas on Earth (like Africa or Asia).
- 19. The Earth and everything on it.
Down
- 1. A very dry place with little rain and few plants.
- 3. A mountain that can erupt with lava, ash, and gases.
- 5. A long, moving stream of water that flows to a lake or ocean.
- 6. A low area of land between hills or mountains.
- 7. A very tall and high natural place on land.
- 10. A large object in space that orbits a star (like Earth).
- 11. A small, rounded area of raised land.
- 13. A piece of land completely surrounded by water.
- 14. A sandy or rocky area next to the ocean or a lake.
- 17. A man-made waterway built for boats or to move water.