Across
- 3. Anything with mass that occupies a space
- 4. The amount of Matter measured
- 6. Particles vibrate but can't move around
- 9. Made from two or more elements chemically combine
- 10. Substances that start a reaction
- 11. Depends on the amount of matter
- 12. Made up of atoms with the same atomic number
- 13. Particles can move around but stay close in space
Down
- 1. Particles can move freely around a container
- 2. Substances that are formed during the reaction
- 4. Variable composition
- 5. Depends on the type of matter
- 6. Constant composition
- 7. The Energy of Motion
- 8. The energy possessed by an object