Across
- 3. engine the moves train forward
- 5. worked in a rough way and made noises
- 7. moved slowly and noisily
- 9. a total change in appearance
Down
- 1. gives off light
- 2. electronic devices
- 4. has circular ends and straight lines
- 6. machine that plays recorded sound or music
- 8. legal documents for invention
- 10. complete failure