Across
- 4. train engine
- 7. Long ago people played music on a _________.
- 10. To go beyond the limits.
- 11. move slowly and noisily
- 13. To be very good at it.
- 14. Scientists protect their inventions with ______ so no one can copy them.
Down
- 1. To supply crops with water through a system.
- 2. An antonym of unknown
- 3. gives off a lot of light
- 5. I have circular ends and straight sides.
- 6. Feeling embarrass after my car engine _________ through the town.
- 8. To think highly of someone.
- 9. small specialized machines or electronic devices
- 12. a synonym for the word failure.