Across
- 2. example of matter
- 4. example of solid
- 7. example of element
- 8. what has a positive electric charge?
- 10. example of gas
Down
- 1. what's a unit of mass?
- 3. what's the formula of volume?
- 5. what does not have a fixed shape?
- 6. what has an electric charge?
- 9. what has a neutral charge?