Across
- 2. a mix of something
- 5. a degree of compactness of a substance
- 7. a substance that takes up space
- 10. an invisible force or field caused by the unique properties of certain materials.
- 11. a substance that flows freely and doesn't have a constant volume
Down
- 1. a positively charged part in the nucleus of an atom
- 3. a negatively charged part in the nucleus of an atom
- 4. a firm and stable shape
- 6. building block of life
- 7. a good conductor of electricity and heat
- 8. a substance that expands freely
- 9. mass the mass of a single atom of a chemical element.