1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt ROCKS SOIL PROPERTIES VOCABULARY PEBBLES & STONES

2. A type of rock formed by chemical reactions

3. What is metamorphic ?

4. A type of rock formed by heat and pressure

5. What is metamorphic?

6. This type of rock is formed from compressed layers of rock pieces.

7. What is sedimentary rock?

8. A type of rock formed by the cooling and hardening of magma.

9. What is Igneous?

10. This type of rock may contain fossils

11. What is sedimentary?

12. This process forms new soil when exposed rock begins to break down.

13. What is the weathering?

14. This layer of soil is found just below the topsoil and is lighter in color.

15. What is subsoil?

16. This part of the soil has the greatest amount of organic matter

17. What is topsoil?

18. The two important roles of mosses, lichen, bacteria, fungi, and plants

19. What is break down rocks and release more minerals

20. Fine grained and holds water very well.

21. What is clay?

22. Tool used to find fracture.

23. What is a hammer?

24. Softest mineral on Mohs hardness scale - can be scratched by all other minerals

25. What is talc?

26. A diamond holds this place on Mohs hardness scale

27. What is 10?

28. Translucent, Transparent, Opaque, Shiny, or Dull

29. What is luster?

30. Used to find true color of mineral

31. What is an unglazed ceramic tile or scratch plate?

32. Things that are alive or were once alive

33. What is organic matter?

34. Made of one or more minerals

35. What is a rock?

36. Rock made of compressed layers of smaller rock pieces

37. What is sedimentary rock?

38. Fire rock or rock formed from molten rock that cools

39. What is igneous Rock?

40. Rock formed when rock changes form due to heat, pressure or chemical changes.

41. What is metamorphic rock?

42. The shape of all minerals

43. What is crystal shaped or geometric shaped?

44. Three layers of soil

45. What is a soil profile?

46. Location of the oldest layer of soil and the oldest fossils

47. What is the bottom layer?

48. Special property of magnetite

49. What is magnetic?

50. The most common mineral on earth

51. What is quartz?