Across
- 1. water, especially from a river or stream, dropping from a higher to a lower point, sometimes from a great height.
- 4. a tropical forest in which trees and plants grow very closely together.
- 7. an area of low land between hills or mountains, often with a river running through it.
- 8. a plant with many small branches growing either directly from the ground or from a hard stem, giving the plant a rounded shape
- 10. a large reptile with a hard skin that lives in and near rivers and lakes in hot, wet parts of the world. It is like an alligator, but it usually has a longer and narrower nose.
- 13. the part of a plant that is often brightly coloured and has a pleasant smell, or the type of plant that produces these.
- 15. reef an area of coral, the top of which can sometimes be seen just above the sea.
Down
- 2. a tall plant that has a wooden trunk and branches that grow from its upper part.
- 3. an animal that lives in water, is covered with scales, and breathes by taking water in through its mouth, or the flesh of these animals eaten as food.
- 5. a low, green plant that grows naturally over a lot of the earth's surface, having groups of very thin leaves that grow close together in large numbers.
- 6. a black and white bird that cannot fly but uses its small wings to help it swim.
- 9. the salty water that covers a large part of the surface of the earth, or a large area of salty water, smaller than an ocean, that is partly or completely surrounded by land.
- 11. a natural wide flow of fresh water across the land into the sea, a lake, or another river.
- 12. a raised part of the earth's surface, much larger than a hill, the top of which might be covered in snow.
- 14. an animal that lives in hot countries, has a long tail and climbs trees.