Across
- 2. The substances you end with at the end of a chemical change.
- 5. Gasses have _____________.
- 9. Anything with mass and volume.
- 10. A measurement of the amount of matter.
- 11. "Mass can never be created or destroyed" is the law of __________________ of mass.
- 13. This type of system does not allow matter to enter or escape.
Down
- 1. True or False: when liquid water evaporates and becomes gas, it gets lighter.
- 3. Iron and oxygen react to make Rust. What is/are the products?
- 4. Matter(and Mass) can never be created or _______________.
- 6. The weight of the reactants and products in a chemical change is always _____________.
- 7. The substances you start with at the beginning of a chemical change.
- 8. The only way our products weighed less than our reactants in the lab was because some gasses ___________ our system (got out of the balloon and flask).
- 12. This type of system allows matter to enter or escape.