Across
- 7. – Anything made by humans for people to use. Human-made resources cannot be found in nature.
- 8. – To use the materials in old things to make new things.
- 9. – To use something again.
- 10. – A hard, non-living object from the ground.
- 11. – A weather change that repeats over and over.
Down
- 1. – Anything from nature that people can use.
- 2. – Water that has a large amount of salt in it.
- 3. – To use things wisely to make them last longer. (p. 208)
- 4. – To get rid of something. fresh water – Water that has very little salt in it.
- 5. – To use less of something.
- 6. – A large, thick sheet of slow-moving ice.