Across
- 3. Number Number of Protons
- 4. A deadly gas
- 7. Footprints, tracks, burrows
- 8. basic blueprint of life
- 10. The remains of plants and animals that lived a long time ago
- 12. Sodium in water
- 15. Specific types of Atom
Down
- 1. When minerals seep into a mold, hardened to form a miniature version of the original
- 2. Most specific form of matter.
- 5. film All living organisms contain carbon
- 6. two or more elements combine but have no charge
- 8. An element that combines with it's self to be more stable
- 9. Hardened tree sap
- 11. An atom with a charge
- 13. Poison, kills things and fizzes
- 14. the actual plant or animal is trapped in ice,tar, or amber