Across
- 2. goes in your car
- 5. substance with large molecules
- 6. a thing made of two or more elements
- 7. conversion of a substance from solid to gas
- 9. basic unit of a chemical element
- 12. accompanied by heat
- 14. the process of giving evidence
- 16. temporary prevention of something
- 17. single kind of matter
- 18. part of something
- 19. to filter
- 20. a characteristic of a particular substance
Down
- 1. conversion of matter
- 3. answer to a problem
- 4. able to catch on fire easily
- 8. droplets
- 10. a table
- 11. water
- 13. accompanied by the release of heat
- 15. water turned to vapor