Across
- 2. How heavy something is
- 6. How a material can burn
- 8. two elements mixed
- 10. Water at a certain temperature
- 11. Vertical line
- 14. Negative electricity
- 15. Unit of energy
- 17. Volume in something
- 18. What can be stored
- 19. Build blocks of life
- 20. Core of an atom
Down
- 1. What doctors use
- 3. High temperature
- 4. objects that can take form
- 5. Type of medicine
- 7. A car driving
- 9. how planets move
- 12. Can ´ t be changed
- 13. What keeps you down
- 16. Type of purple
