Across
- 3. A plant fossil that still contains actual pieces of the plant
- 7. Type of rock where most fossils are found
- 8. To keep close to something's original form
- 9. Frozen water that can preserve the soft parts of larger animals
- 10. When a species dies out and is gone forever
- 12. A dark, sticky liquid used to preserve the bones of ancient animals
- 13. Fossil created when the hard part of an organism has dissolved and just the imprint is left over
- 14. Fossils that were hard parts of the body
Down
- 1. A plant fossil that is just the imprint
- 2. Dirt, sand, and crushed rock
- 4. The study of ancient life
- 5. Fossils that show the activities or movements of organisms
- 6. Hardened tree sap that can preserve the soft parts of smaller insects
- 11. Fossil created when water and minerals mix together inside of an imprint and harden
