Across
- 3. change/A change that results in a new substances being formed
- 4. chemical reaction that involves a combination of oxygen
- 5. or phase of a substance
- 6. process that involves oxygen, like burning a flame
- 7. properties/properties that can be observe by your 5 senses
- 9. chemical reaction that involves oxygen to produce a flame
- 10. substance that you begin with in a chemical reaction
- 12. chemical reaction that wears away a metal
Down
- 1. a metal by covering it with a more reactive metal that will corrode first
- 2. properties/properties that can describe how a substances
- 6. substance that starts or speeds up a chemical reaction
- 7. substance that is produced with in a chemical reaction
- 8. change/A change that does not form a new substances but may form different states
- 10. corrosion of iron
- 11. catalyst for living things