Across
- 2. It controls itself.
- 5. When living things do this, they grow well and are healthy.
- 6. A very quick look at something.
- 8. It is needed or very important.
Down
- 1. It can go or work under water.
- 3. Its top or highest point.
- 4. Very old, from a time before history was recorded.
- 5. A long, narrow groove or ditch
- 7. You control it from a distance.