Fossils and Chemistry
Across
- 4. Tells us about the habitat of an animal such as a burro tracks or foot prints
- 5. When minerals seep into a mold fossil and harden to form a copy of the original
- 8. The basic partical of all matter
- 11. When an element combines with itself to become more stable
- 14. 2 Or more elements join together that have no charge
- 15. When an organism decays and leaves a hollow form of itself
- 18. Study of fossils
- 20. Hardened tree sap that can contain ancient DNA
Down
- 1. Portions of the body that remain but not the whole structure such as teeth claws and bones
- 2. The exact real plant or animal traped/preserved in amber ice or tar
- 3. The remains of plants and animals that lived long ago
- 6. Hot sticky substance that can trap things preserving them for a short amount of time before it melts from heat
- 7. an object trapped in layers of sediment pressed to make the film of carbon
- 9. Radio waves that create an image of internal body flesh
- 10. fossil A fossil that has all the water in it replaced by minerals and turned into stone
- 12. Computer assisted tomography
- 13. Atom with a charge
- 16. A spot where Archaeologists look in for fossils
- 17. Blueprint of life
- 19. A spesific number of protons netrons and electrons