Across
- 1. An important part of something
- 3. Easy to carry
- 4. Wonderful or very clever
- 8. To share information
- 9. Not be attached by a wire
- 12. It works on its own, with a person controlling it
- 13. To work together to do something
- 15. To believe that something will happen
Down
- 2. A scientific test
- 5. A thing that is first, new, and fresh
- 6. Spreading all over the world
- 7. A room used for scientific research
- 10. A piece of equipment
- 11. Working hard at something
- 14. A thing that is produced