Across
- 2. The process of reacting
- 6. Examples include Acidity, flammability, and Toxicity
- 8. The amount of space a object occupies
- 10. The ability of water molecules to stick together
- 11. changing the size or form of matter
- 13. The amount of matter in an object
- 14. A chemical combination of two or more elements
- 15. Two or more atoms joined together
- 16. The ability to do work or cause change
- 17. A chemical reaction that absorbs heat energy
Down
- 1. A chemical reaction that gives off heat energy
- 3. A substance that cannot be broken down to simpler substances
- 4. The smallest unit of an element
- 5. Examples include enzymes, water, and iron
- 6. a change that creates a new substance
- 7. Hardness, color, and density
- 9. An attraction between atoms
- 12. The transfer of thermal energy from warm to cool