Across
- 2. component of Sandstone
- 6. how the rock will break
- 8. a type of sedimentary rock made from dead plants
- 10. the center of the solar system
- 11. Center layer of the Earth
- 12. molten rock on the surface of the Earth
- 13. the color of powder a rock leaves when scratched
- 15. an asteroid that entered earth's atmosphere
- 18. closest planet to the Sun
- 19. a rock that has air pockets
- 20. a tool to measure the hardness of a rock
- 24. 2nd zone in the atmosphere
- 26. a type of sedimentary rock, can be made of of shells
- 30. a class of rock that is made up of sediments
- 31. Biggest planet in our Solar System
- 36. a type of non-vesicular rock(Glassy)
- 39. the movement of the mantle
- 40. a object composed of minerals
- 41. 4th planet
- 42. composed of compressed clay
- 43. 2nd planet of the solar System
- 44. 8th planet
- 46. the look of a rock
Down
- 1. softest mineral
- 3. an element in the earths core
- 4. an elementary particle
- 5. ability to reflect light
- 7. study of celestial objects
- 9. Largest layer of the Earth
- 10. a planet with rings
- 11. study of origins of the universe
- 14. amount of space taken up
- 15. Molten rock under the Earths Crust
- 16. an unproven idea
- 17. formed through contact of heat and/or pressure
- 21. the border of the crust and mantle
- 22. a sedimentary rock formed from evaporation
- 23. eroded material from other rock types
- 25. strength of the rock
- 26. the first zone in the atmosphere
- 27. Expansion stops
- 28. The thinnest layer of the Earth
- 29. a naturally occurring, inorganic substance
- 32. a type of crystalline rock
- 33. hardest mineral
- 34. 7th planet
- 35. a rock in outer space
- 37. protects us from UV rays
- 38. rapid expansion
- 45. the only planet that can sustain life