Across
- 3. a tool used to brush off dirt and other stuff from an artifact
- 4. oldest archaeology dig
- 7. solid,liquid,gas,plasma
- 10. story made by Homer (roman author)
- 11. just like a fingerprint
- 13. parts of atom with neutral charge
- 14. helps to absorb the ultra-violet radiation from the sun
- 16. energy used for Catscan
- 17. solid form of a fossil fuel
- 20. use of radioactive decay
- 21. makes a 3D image from multiple 2D x-rays
- 25. (CFC) breaks down the ozone
- 30. neutrons + protons
- 32. Methane,nitrogen dioxide,flourinated gases,carbon
- 33. the deeper something is the older it is
- 34. turned to stone or mineralization
- 35. used to dig after the space is no longer able to be dug by a shovel
- 36. the hallowed out formation of the organism
- 39. the remains of plants and animals that lived a long time ago
- 40. non-renewable source
- 42. when the layer of ozone in the atmosphere is almost gone
- 44. a person who studies human history
- 45. radiowaves locate and create images
Down
- 1. chemical analyse of gas ions
- 2. parts of atoms with a charge
- 5. person who studies fossils
- 6. when the entire organism gets trapped in ice,tar,or amber
- 8. the warming of our planet at a rate faster than nature
- 9. combines with itself to be stable in nature
- 12. parts of an organism that are made up of bones example-bone leg
- 15. amount of time for a substance to reduce its mass
- 18. liquid form of fossil fuels
- 19. natural gas is located above these pockets
- 22. no energy left in a substance
- 23. building blocks of the universe (they have no charge)
- 24. a tool used to dig
- 26. 2 or more elements that have no charge and come together to become zero
- 27. footprints
- 28. gas form of fossil fuels
- 29. an atom with a charge (+ or -)
- 31. used to blow air to get dirt and other things off of something that the archaeologists are digging for
- 37. Newest archeological dig
- 38. energy used for MRI
- 41. 2 or more elements with a charge
- 43. formed by filling in the mold fossil