Across
- 3. A step by step recipe to follow in an experiment or activity.
- 6. A claim based on evidence.
- 9. A piece of safety equipment used when clothes are on fire.
- 10. A type of change that occurs during boiling or freezing.
- 12. A solid, liquid or gas.
Down
- 1. Safety equipment used to avoid inhaling harmful gases.
- 2. A type of change that is demonstrated by color change.
- 4. A claim based on hearing or seeing something.
- 5. The term used to describe waving fumes toward your nose rather than directly smelling.
- 7. An agreement of behavioral expectations based on consensus.
- 8. A solid left after a chemical reaction.
- 11. A standard that is used to compare data.