Across
- 2. computer assisted tomography
- 5. the main reason for climate change
- 7. has a positive charge
- 9. when the entire organism gets trapped in tar,ice, and amber
- 10. solid, liquid, plasma, gas
- 12. hollowed out formation of the organism
- 15. hardened tree sap
- 18. diatomic elements
- 20. something everything is made of
- 23. the artifact found in the newest dig
- 26. has a negative charge
- 28. portions of the body; claws, bones, teeth
- 29. the charge of a electron
- 31. atom with a charge
- 33. another word for trace fossil
- 37. the charge of a proton
- 38. a tool used for a dig
- 39. a layer of sediment
- 41. the remains of plants and animals that lived long ago
Down
- 1. fingerprint
- 3. a type of greenhouse gas
- 4. what is water
- 6. study of fossils
- 8. a tool used for a dig
- 11. the study of the development of pre-birth
- 13. the location of the oldest dig
- 14. something everything has
- 15. any trace of an organism
- 16. a jelly like substance
- 17. two gases put together and they have no charge
- 19. located in Antarctica
- 21. when water is frozen as ice it is a
- 22. something that has no charge
- 24. a type of fossil fuel
- 25. magnetic resonance imaging
- 27. the location of the newest dig
- 30. water vapor is what
- 32. the artifact found in the oldest dig
- 34. formed by filling in the mold fossil
- 35. closer to the surface
- 36. has a neutral charge
- 40. deeper in the ground