Across
- 1. A steep, high rock face, often by the sea. (5 letters)
- 4. A low area of land between hills or mountains. (6 letters)
- 5. Parts of a tree that grow out from the trunk. (8 letters)
- 7. Moving ridges of water caused by wind or tides. (5 letters)
- 8. The solid part of Earth that is not covered by water. (4 letters)
- 12. A thick forest in a hot area that gets lots of rain. (10 letters)
- 13. The invisible mixture of gases that we breathe. (3 letters)
Down
- 2. Flat, usually green parts of a plant or tree. (6 letters)
- 3. The land along the edge of a sea, lake, or river. (5 letters)
- 6. A natural, hollow space in the ground or inside a mountain. (4 letters)
- 7. Animals, birds, and other living things that live in nature. (8 letters)
- 9. A small, narrow river that flows over the land. (6 letters)
- 10. A very dry area of land with little rain and few plants. (7 letters)
- 11. A part of the sea that is partly surrounded by land. (3 letters)