Across
- 2. having to do with the toxicity of matter
- 5. a state of matter where the atoms bounce around
- 7. the positive or negative state of a particle
- 9. something proven in science, includes a math formula
- 11. the relationship between mass and volume of matter
- 12. anything in the universe that has mass and volume
- 13. a guess or prediction about what might happen
Down
- 1. the smallest piece of matter than can exist
- 3. thermal energy
- 4. preservation or protection of something
- 6. a substance made up of only one kind of atom
- 8. a negatively charged particle inside an atom
- 10. the amount of matter in an object (weight)