Nature. Lessons 8.1-8.3

3. Changing old things, like paper or plastic, into new things so they can be used again.
7. The world around us, including air, water, land, plants, and animals.
8. To say what you think will happen in the future.
10. A warm, wet forest with many trees, plants, and wild animals.
14. The direction that is at the top of a map.
15. A furry animal with a flat tail that cuts down trees and builds dams in rivers.
17. To think that something will happen.
18. A very large sea animal that looks like a fish but breathes air and sings underwater.
20. A report that tells what the weather will be like in the future.
21. A loud noise in the sky that comes after lightning during a storm.
24. To go away or become impossible to see or find.

1. Dirty or harmful things in the air, water, or land that can make people and animals sick.
2. A part of a place or space, such as a town or a park.
4. Relating to a very strong kind of energy that can be used to make electricity or powerful bombs.
5. To keep someone or something safe from harm or danger.
6. A very large area of land that has many countries.
9. Bright light from the sun.
11. The natural home of an animal or plant.
12. The direction that is at the bottom of a map.
13. A big wild cat with black spots that can run very fast.
16. A unit for measuring temperature, such as in weather reports.
18. Animals, birds, and plants that live freely in nature.
19. A bright flash of light in the sky during a storm.
22. A smart sea animal that looks like a big fish but breathes air and jumps in the water.
23. Things that people throw away because they do not need them anymore.