Earth Science
Across
- 5. theory that says planets were captured by the gravity of the sun
- 9. study of celestial objects
- 12. sediment is removed from its place of origin by running water or winds
- 15. clastic sediments are deposited
- 16. q_a_k epoch
- 20. metamorphism where rocks are getting cooked
- 25. many minerals have similar c__or
- 28. outermost layer of the earth
- 29. r____ era, in big bang theory
- 30. igneous and sedimentary rocks that undergo intense heat and pressure resulting to complete change
- 31. the earths axis is ___ perpendicular to its orbital plane
- 32. the mantle is 68% by _____
- 33. hardest mineral
- 35. cloud g__ c____ theory
- 36. metamorphism where rocks undergo increased temperatures and pressures
- 38. formed ont he surface of the earth, either on water or land
- 39. rocks are classified into ______ categories
- 40. part of the mantle that flows
- 45. p_____ collision theory
- 47. ____ rocks are formed by the solidification of magma
- 48. the big bang theory is credited to Edwin ____
- 49. theory that says our sun burst one day and all our planets came form it
- 52. state theory that says the univers is not changing over time
- 53. l_p__n epoch
- 54. mineral's amount and quality of the light it reflects from its surface
Down
- 1. p__nc_ epoch
- 2. liquid core
- 3. hypothesis that says the sun and its planets supposedly condensed out of swirling eddies of cold, dark, interstellar clouds of gas and dust
- 4. the continental crust is composed mostly of _____
- 6. study of the universe as a whole
- 7. g_l__t_c epoch
- 8. minerals are _______ in origin
- 10. _____ water cant support life
- 11. disintegration of rocks into smaller pieces
- 13. the oceanic crust consists of volcanic lava rock called _____
- 14. first element in the universe
- 17. the mantle is 82% by ________
- 18. h_dr__ epoch
- 19. rocks are classified as to how they are ______
- 21. minerals are building blocks of _____
- 22. second element in the universe
- 23. s____ collision theory
- 24. cool, rigid, brittle
- 26. epoch where the sungularity expanded in big bang theory
- 27. crunch theory that says the universe could collapse to the state where it began and then initiate another big bang
- 34. thickest layer of the earth
- 37. solid core
- 41. rocks are made up of ________ elements
- 42. mineral's h__n__ss. some minerals are soft
- 43. the earth is i______d 23.5 degrees
- 44. minerals are _________ occuring
- 46. boundary between solid lithosphere and liquid asthenosphere
- 50. m____ era, in big bang theory
- 51. softest mineral
- 52. mineralogists also test a mineral for the color of its powder