Across
- 2. a room or building used to do scientific tests and experiments
- 3. extraordinary intellectual power synonym: Mr. Luke
- 6. a farm product grown to be harvested, often for food
- 8. to make a short deep sound with one's voice
- 12. of, relating to, or produced by electricity
- 13. to stop briefly
- 14. to make something sure or certain
- 15. having a rough surface or jagged outline
- 16. to find out what something is or who someone is
- 19. happening or encountered from time to time
- 21. a person whose job is to build, design, or fix machines/buildings/structures
Down
- 1. the money made from selling something
- 4. a test to find out or prove something
- 5. to give support, confidence, or hope to someone
- 7. to make an urgent request; appeal
- 9. having a chance of danger
- 10. a person who controls and uses a machine
- 11. a mass of tiny drops of water in the air
- 17. something that causes harm or pain
- 18. a small mechanical device
- 20. an original device, system, or process
