Across
- 2. a hard substance that make up things
- 7. It has to be broken to change
- 8. nothing filling space
- 10. Makes up everything
- 11. Holds neutrons and electrons
- 12. a chemical atomic #6
Down
- 1. Shows something works
- 3. Takes the form of thing its in
- 4. positive charged molecule
- 5. negative changed molecule
- 6. table holds all the elements
- 9. an invisible substance