9. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

29. A student put sedimentary rocks in pile 1, igneous in pile 2, and metamorphic in pile 3. Which of the following would belong in pile 2? a.marble, gneiss, and schist b.Basalt, obsidian, and pumice c.Sandstone, conglomerate, and shale d.Granite, slate, and mudstone

31. A water truck keeps the soil wet at a construction site. Why? a.to keep the soil from blowing away b.To keep the workers cool c.To help new plants grow when they are planted d.It looks better when it is wet.

32. a.to keep the soil from blowing away

33. When are soils most likely to erode? a.When they are deep b.When they are moist c.When the plant cover is gone d.At night or on cloudy days

34. a.When the plant cover is gone

35. What is the movement of weathered materials called? a.Ice wedging b.Erosion c.Weathering d.evaporation

36. b. erosion

37. Which of the following is NOT a way rock is broken down and weathered? a.Freezing and thawing b.Plant roots c.Heat expansion d.Carried away by wind

38. (that is erosion)

39. What general direction does erosion move Earth materials? a.Toward the mountains b.Into cities c.Downward d.upward

40. c. downward

41. A piece of rock from a mountaintop is found on a beach near an ocean. What is this an example of? a.active-movement b.Weathering c.Ice wedging d.erosion

43. Which observation indicates that soil erosion is happening? a.The soil is deep and grows grass on top b.The soil has deep gullies c.A forest of pine trees grows on the soil d.The soil is made of small living and nonliving parts

44. b. The soil has deep gullies

45. A home has a sloping backyard. The family puts in retaining walls made of large boulders part way down the hill. Why? a.They look nice b.They keep soil in place c.To improve the view d.Because all the cool people do it!

46. b. They keep soil in place

47. When are soils most likely to erode? a.When they are moist b.When they are deep c.When the plant cover is gone d.At night or on cloudy days

48. c. When the plant cover is gone

49. Which of the following is an example of weathering of rock? a.Rocks rolling down a hill b.Wind carrying sand particles c.Glaciers carrying boulders far away from a mountain d.Rocks being broken apart by roots of a tree

50. d. rocks being broken apart by roots of a tree

51. Which soil layer would you expect to find the most clay in? a.Topsoil b.Subsoil c.Bedrock

52. b. subsoil

53. If plants are not growing well in a soil, what is one way to fix it? a.Add subsoil b.Add clay c.Add nutrients d.Add gravel

54. c. Add nutrients

55. Which of the following is an example of once living components of soil? a.Minerals b.Decaying leaves c.Running water d.rocks

56. b. Decaying leaves

57. Rocky dug up some soil, put it is a cup, and weighed it. He put it in a warm place with no cover. Two weeks later he weighed it again. It weighed less than before. Why? a.The cup had changed shape b.There were more living things c.The soil was warmer d.Water had evaporated

60. For a science fair project, a student grew plants in wet paper towels, wet gravel, wet cotton balls, and wet soil. Which question would be the best title for this project. a.Do roots or stems grow longer? b.Can plants grow without sunlight? c.How strong are roots and stems? d.Can plants grow without soil?

62. A student wanted to read about the differences between rocks and minerals. Which part of a science textbook would help the student locate the page numbers of these topics? a.The index b.The glossary c.The title page d.The copyright page

63. a. The index

64. Which part of a science textbook would a student use to find chapters on weathering and erosion? a.The table of contents b.The glossary c.The author’s page d.The index

65. a. The table of contents

66. Which part of a science textbook would a student us to compare the definitions of the words “rock” and “mineral”? a. The index b. The glossary c. The title page d. The table of contents

67. b. The glossary

68. What is a good way to identify rocks and minerals? a.Cheat off your neighbor b.Make a guess c.Phone a friend d.Use a dichotomous key

70. Name a teacher who totally Rocks!!

71. Mrs. Corry!!!