Across
- 2. 2 or more atoms joined together.
- 5. A combination of substances that can be physically separated
- 8. The interaction between 2 or more elements.
- 10. The substances present before a chemical reaction.
- 11. CO2 is a definition of ______.
- 12. A substance formed during a chemical reaction.
- 14. The study of matter and everything in the universe.
- 15. The amount of space an object takes up.
- 17. The average amount of heat in an object.
Down
- 1. Carbon, Hydrogen, & Oxygen are examples of an _______.
- 2. The amount of matter in an object.
- 3. The ability of molecules of the same substance to stick together.
- 4. Everything in the universe is made of this.
- 6. The attraction between 2 or more atoms.
- 7. The transfer of thermal energy in an object .
- 9. The smallest unit of matter.
- 13. Material that speeds up the chemical reaction.
- 16. The ability to do work and cause change is ______.