Across
- 1. Reason and reasonable judgement
- 6. Outline or contour of an object
- 7. Any substance where 2 or more substances act on each other
- 12. To guess, a general idea
- 14. Idea not yet proven, estimated outcome
- 15. Sour liquid used as condiment or food preservative
- 16. Solid carbon dioxide frozen at -78.5C
Down
- 2. Found in the air no colour or taste but needed for life
- 3. Alteration or reaction
- 4. A state of matter of fixed volume
- 5. A person who studies a field of science
- 8. The perception of hot, energy agitation
- 9. A tiny piece of anything, smaller component of an element
- 10. When change occurs
- 11. To arrange into groups
- 13. Flammable gas with no colour or odour