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Water Cycle. Water Cycle Carbon Cycle Nitrogen Cycle.

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Presentation on theme: "Water Cycle. Water Cycle Carbon Cycle Nitrogen Cycle."— Presentation transcript:

1

2 Water Cycle

3 Carbon Cycle

4 Nitrogen Cycle

5 Primary Succession

6 Secondary Succession

7 Grab Bag

8 Water Cycle Carbon Cycle Nitrogen Cycle Primary Succession Secondary Succession Grab Bag $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

9 Water changes from a liquid to a vapor during ___

10 Evaporation

11 Water moves from the atmosphere to the land and oceans as __ which can be in the form of rain, snow, sleet, and hail.

12 Precipitation

13 About 91% of the Earth's ___ falls on the ocean.

14 Precipitation

15 Most of the precipitation that falls to the Earth's surface
a) falls into the oceans b) remains in ponds and lakes c) seeps into underground d) evaporates into atmosphere

16 a) Falls directly into the oceans

17 to the atmosphere through
Water cycles back to the atmosphere through a) runoff b) precipitation c) evaporation d) condensation

18 c) Evaporation

19 dioxide to the atmosphere
The return of carbon dioxide to the atmosphere is an important step in which cycle?

20 Carbon

21 The breakdown of dead materials into carbon dioxide and water is called__

22 Decomposition

23 Which of the following processes produces carbon dioxide? a) decomposition b) respiration c) combustion d) all of the above

24 d) All of the above - decomposition - respiration - combustion

25 nonliving environment becomes a part of living
Carbon from the nonliving environment becomes a part of living organisms through a) photosynthesis b) respiration c) transpiration d) absorption

26 a) photosynthesis

27 fuel, such as oil and coal
The process of burning fuel, such as oil and coal is called ___

28 Combustion

29 During nitrogen fixation, nitrogen gas is converted
into a form that _ can use.

30 Plants

31 b) eating other organisms
Most animals get the nitrogen they need by __ a) breathing b) eating other organisms c) fixing nitrogen d) drinking water

32 b) Eating other organisms

33 Organisms need nitrogen to ___ a) breathe.
b) break down carbon molecules. c) build proteins and DNA d) build sugars

34 c) build proteins and DNA

35 78% of our atmosphere but can only be used by plants when fixed by
This gas makes up 78% of our atmosphere but can only be used by plants when fixed by bacteria or lightning

36 Nitrogen

37 ___ can change nitrogen
gas into forms that can be used by plants.

38 Bacteria in the soil

39 Lichens are also known as ____ species because they
are the first to live on the rock

40 Pioneer

41 The first step in primary succession is ___

42 The exposure of bare rock from a melting glacier

43 Lichens use ___ to break down rocks into soil.

44 Acids

45 ___ eventually replace the
lichens when the soil becomes deeper.

46 Mosses

47 A forest may begin to develop after how long?

48 Hundreds or thousands of years

49 The first plant to grow is the ____

50 Crabgrass

51 is usually completed in less time than primary succession
Secondary succession is usually completed in less time than primary succession because ___ is already present.

52 Soil

53 weeds to grow the second
One of the most common weeds to grow the second year is ___

54 Horseweed

55 Small pine trees may start to grow after how many years?

56 5 to 15 years

57 Daily Double!!

58 As older pine trees begin to die, they may be replaced by ____

59 Hardwoods

60 Anything that occupies space and has mass is called __

61 Matter

62 Succession takes place in all communities, not just those affected
True/False Succession takes place in all communities, not just those affected by disturbances such as forest fires.

63 True

64 What are the four major steps of the water cycle?

65 - Transpiration - Evaporation - Condensation - Precipitation

66 Describe what happens to matter in each cycle.

67 Matter continues to cycle from the environment into
living things

68 to affect the earth's climate.
Name two things humans are doing to affect the earth's climate.

69 -Deforestation -Buring Fossil Fuels

70 Double Jeopardy!!

71

72 Water Cycle

73 Carbon Cycle

74 Nitrogen Cycle

75 Primary Succession

76 Secondary Succession

77 Grab Bag

78 Water Cycle Carbon Cycle Nitrogen Cycle Primary Succession Secondary Succession Grab Bag $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

79 Water that seeps into the ground, where it is stored in undergroud caverns or in porous rock, is called __

80 Ground Water

81 cools during the process of condensation, it forms
When water vapor cools during the process of condensation, it forms a liquid that can fall to the Earth as __

82 Precipitation

83 Your body is made of about __% water

84 70%

85 Where is ground water stored under the ground?

86 In underground caverns
or porous rock

87 Drinking after running
on a hot day replaces water lost through a) condensation b) respiration c) transpiration d) combustion

88 c) transpiration

89 Carbon dioxide is being released into the atmosphere
in increasing amounts which is causing __ a) temp. of land to rise b) temp. of ocean to rise c) global warming d) all of the above

90 d) all of the above - temp. of land to rise - temp. of ocean to rise - global warming

91 Which organisms return the highest % of carbon dioxide to the atmosphere?

92 Decomposers

93 Carbon stored in the bodies of dead plants and animals
is released into the atmosphere by burning __ a) coal b) oil c) natural gas d) all of the above

94 d) all of the above - coal - oil - natural gas

95 which carbon cycles from the environment into living things.
___ is the process by which carbon cycles from the environment into living things.

96 Photosynthesis

97 Carbon dioxide and water are released as byproducts.
During __, sugar molecules are broken down to release energy. Carbon dioxide and water are released as byproducts.

98 Respiration

99 In the nitrogen cycle, nitrogen moves back and forth between __ and living things.

100 The Atmosphere

101 nitrogen could not enter returned to the atmosphere.
True/False Without bacteria, nitrogen could not enter living things or be returned to the atmosphere.

102 True

103 When nitrogen is added to the air it can …
A. cause the ozone layer to become thin. B. create acid rain. C. cause smog to develop. D. contribute to global warming. E. all of the above.

104 - cause the ozone layer to become thin. - create acid rain.
E. all of the above. - cause the ozone layer to become thin. - create acid rain. - cause smog to develop. - contribute to global warming.

105 Humans affect the Nitrogen Cycle in which of the following ways?
A. Discharging sewage B. Mining C. Adding fertilizers to the soil D. All of the above

106 - Adding fertilizers to the soil
D. All of the above - Discharging sewage - Mining - Adding fertilizers to the soil

107 Bacteria are essential to ____ a) combustion b) photosynthesis c) nitrogen fixation d) evaporation

108 c) Nitrogen Fixation

109 True/False Primary succession begins with soil.

110 There is no soil in the area, usually just bare rock.

111 Through primary succession,
___ are slowly turned into soil.

112 Rocks

113 is usually replaced by __
In primary succession, the moss community is usually replaced by __

114 Ferns

115 ferns are usually replaced
In primary succession, ferns are usually replaced by grasses and ___

116 wild-flowers

117 species prepare an area for other living things.
Describe how pioneer species prepare an area for other living things.

118 break rock into smaller pieces, and their decaying
Chemicals released by the prioneer species break rock into smaller pieces, and their decaying matter enriches the soil.

119 True/False Secondary succession may begin from a natural disaster.

120 True

121 Seeds from weedy plants
that grow in the second year may get to the field by __

122 or insects have carried them
Being blown by the wind, or insects have carried them

123 Two examples of "hardwoods"that may replace pine trees are ___

124 Maple Ash Elm Oak

125 In secondary succession, years for a forest to form.
it may only take ___ years for a forest to form.

126 about 100 years

127 Daily Double!!

128 can take place in farmer's fields
Secondary succession can take place in farmer's fields which have been __

129 Abandoned

130 because they breathe out __
Plants are important to humans in the carbon cycle because they breathe out __

131 Oxygen

132 Many species are present
in the earlier or later stages of succession?

133 Later

134 Does soil formation stop when trees begin to grow? Explain.

135 No. Leaves, tree branches,
and dead organisms contribute to the soil when they decompose.

136 Succession doesn't follow
True/False Succession doesn't follow predictable stages

137 False - It does!

138 Describe the main difference between primary and secondary succession.

139 Primary - newly exposed community is destroyed,
surface, no soil Secondary - existing community is destroyed, soil is present

140 Final Jeopardy

141 things would be affected
Explain how living things would be affected if the water on our planet suddenly stopped evaporating.

142 be interrupted. It would
The Earth would soon be covered with water. The water cycle would be interrupted. It would no longer rain. Land organisms would probably go extinct.


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