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1. matter

2. All material in the universe that occupies and space (has mass)

3. atoms

4. Smallest unit of a level

5. example: oxigen hydrogen,etc.

6. protons (+). neutrons (-)

7. molecules

8. cluster of atoms with unique characteristics

9. organic compounds

10. have carbon

11. inorganic compounds

12. no carbon

13. hydrocarbons

14. organic compounds

15. hydrogen and carbons

16. macromolecules

17. building block in life

18. proteins

19. made of aminoacid (monomers)

20. responsable of muscle contraction

21. carres oxygen in the body

22. carbohydrates

23. made of manosaccharides (monomers)

24. sugar and starches

25. short-term energy

26. lipids

27. made of glycerol and fatty acids

28. fats and oils

29. long-term energy

30. nucleic acid

31. nucleotides (monomers)

32. DNA and RNA

33. molecules store genetic information

34. help create proteins

35. acids, bases and PH

36. biosphere

37. all living thins, once they are alive or death they still being part of the enviornment

38. abiotic

39. not living

40. biotic

41. living

42. geosphere

43. made up of rock

44. below earth's surface

45. lithosphere

46. hard rock

47. on and below earth's surface

48. atmosphere

49. gaseous envelop around the planet

50. hydrosphere

51. earth's supply of water

52. biochemical cycles

53. bio

54. living organism

55. geo

56. land

57. chemical

58. molecules reactions and atoms.

59. law of conservation of matter

60. matter transformed

61. not created

62. not destroyed

63. water cycle

64. water play a role in the enviornment

65. properties of water

66. cohesion

67. water molecules stick to themselves

68. PH

69. to know how bases or asidic a solution is

70. expands when freeze

71. lebels of water cycle

72. Aquifers

73. condensation

74. evaporation

75. percipitation

76. surface renoff

77. groundwater

78. transpiration

79. carbon cycle

80. carbon

81. building block of llife

82. essential for DNA, fats, carbohydrates and more

83. carbon gas

84. carbon dioxide

85. help to maintain earth's temperature

86. stored in ocean, temperature and rocks

87. carbon sinks

88. place where a lot of carbon is stored

89. pathway 1

90. carbon moves between the atmosphere, ocean and living things

91. plants use CO2 of air and oceans to do photosynthesis

92. consumer eats plants, so carbons moves though food webs

93. with respiration carbon go directly to air

94. descomposition makes carbon returns to soil, water and air

95. pathway 2

96. carbon travels from living things to rocks, air and water

97. then livings things will be use it again

98. this process takes millions of years

99. pathway 3

100. formation and burning of fossil fuels

101. oils and natural gass for death organism

102. chemical change takes place and turns into petroleum

103. this process takes millions of years

104. when we burn the oil carbon dioxide release into the atmosphere so it may be able to plant to use it

105. human affected carbon dioxide

106. deforastation

107. removing trees that absorb carbon dioxide

108. burning of fossils fuels in industry and vehicles

109. the amount of carbon dioxide is been rising, and contributes to global warming

110. nitrogen cycle

111. nitrogen

112. important element in organic compounds

113. the most abundant gas in the atmosphere

114. the cycle is: from the atmosphere, to living things and then to the atmosphere again.

115. living things get nitrogen from the food.

116. living things can't use notrogen molecules they take it as a nitrate

117. nitrate is form then nitrogen is combinated with oxigen

118. nitrogen-fixing bacteria convert nitrogen into ammonia and then into nitrates.

119. plants used nitrates to make proteins

120. animals take nitrogen by eating plants

121. humans alteres nitrogen cycle

122. fertilizers contain nitrogen, placed in the law

123. destruction of forest

124. burning of fossils fuel

125. phosphorus cycle

126. not a gas, don't enter the atmosphere

127. the cycle is: start on land, then to ocean and finally land again

128. water take it from the rocks and then leave it the soil plants root cant absorb it

129. makes DNA animals to take phosphate from the food.

130. oxygen cycle

131. photosynthesis and respiration

132. opposite reactions

133. plants produce oxygen with the process of photosynthesis

134. animals take oxygen and release carbon dioxide with the process of respiration