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Soil and Water Cycle Review

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Presentation on theme: "Soil and Water Cycle Review"— Presentation transcript:

1 Soil and Water Cycle Review
Mrs. DeLaura’s 3rd Grade Class

2 The carrying of weathered pieces of rock by wind, water, and gravity is called _____.

3 erosion

4 The breaking down of rock into smaller pieces, such as sand, silt, or clay is called ______.

5 weathering

6 Land surfaces that are not covered with plants are more likely to _______.

7 lose soil through erosion

8 Soil is created by a process of ____.

9 weathering

10 Materials that plants need to live and grow are ___________.

11 nutrients

12 Soil helps plants to grow by providing ____ and _____.

13 support and nutrients

14 The components of soil are ___________.

15 rock, clay, silt, sand, and humus

16 The upper surface layer of soil is called ______.

17 topsoil

18 The layer of rock underneath the topsoil is called ____.

19 subsoil

20 The layer of soil that has the most nutrients for plants is the _____.

21 topsoil

22 The plant nutrients in soil come from _____.

23 humus

24 The solid layer of rock beneath the subsoil and loose rocks is called _____.

25 bedrock

26 There is a layer of loose rocks between the ______ and ______.

27 topsoil and subsoil

28 The pieces of decayed plants and animals in soil are called _____.

29 humus

30 The top layers of soil are produced when bedrock _______.

31 breaks into smaller pieces

32 The process of producing soil takes many ______.

33 years

34 Tiny particles of soil the are tightly packed, hold water well and provide some nutrients are called _____.

35 clay

36 Small grains of worn down rock that have few nutrients and do not hold water well are ______.

37 sand

38 Soil particles that are larger than clay, but smaller than sand are _____.

39 silt

40 The energy source that drives the water cycle is the ____.

41 sun

42 The three processes that are involved in the water cycle are ___, ___, and ___.

43 Evaporation, condensation, and precipitation

44 Ponds, lakes, streams, oceans, and underground are all places where _____.

45 water is stored

46 The movement of water from the ground to the air and then back to the ground is called ____.

47 The water cycle

48 The process by which liquid water is turned to water vapor is called ____.

49 evaporation

50 The process in the water cycle by which water vapor is changed back into liquid water is called ____.

51 condensation

52 The collecting of water in streams, lakes, and oceans is called _____.

53 accumulation

54 In order for water to evaporate it must be ____.

55 heated

56 In order for condensation to occur, water vapor must be ____.

57 cooled

58 Water that falls from the sky is called ____.

59 precipitation

60 The forms of precipitation are ___, ___, ___, and ___.

61 rain, sleet, hail, and snow

62 Runoff from over-fertilized lawns and fields, oil from parking lots, soil erosion and animal waste are all forms of _____.

63 Water pollution

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