Science
Across
- 2. The fourth planet from the sun
- 4. The '+' symbol
- 5. Light and heat source for the solar system
- 9. What comes out of a bulb
- 11. In space and sucks everything up
- 12. H20
Down
- 1. Attracts or repels
- 3. The largest planet in the solar system
- 6. The '-' symbol
- 7. How you turn a circuit on
- 8. The smallest planet in the solar system
- 10. The dwarf planet after Neptune