Across
- 3. before chemical reaction
- 6. stuff that takes up space
- 7. shows something was added to equation
- 9. matter cannot be created or _____
- 10. these need to be balanced on both sides of an equation
Down
- 1. law of ______ of mass
- 2. event that changes matter
- 4. nothing was created or destroyed
- 5. after a chemical reaction
- 8. shows chemical reaction is happening