Across
- 3. A complete failure
- 5. Small, specialized machines or electronic devices
- 6. Something working in a rough or uneven way, making popping noises
- 8. Pass a boundary, going above and beyond it
- 10. A person that is famous for his or her achievements
- 11. Legal documents that protect your inventions from being stolen or copied
- 12. To be very good at something
Down
- 1. The engines that make a train go forward
- 2. To move slowly and noisily
- 4. Thinking very highly of a person
- 7. A machine that plays recorded music or sound
- 9. A shape that has circular ends and straight sides
- 10. Something that gives off a lot of light