1. Water Molecule Unit
Part 2

2. Dihydrogen monoxide is known as H2O.
It’s made of one atom of oxygen and two atoms of hydrogen.

3. Dihydrogen monoxide is known as H2O.
It’s made of one atom of oxygen and two atoms of hydrogen.

4. Dihydrogen monoxide is known H2O.
It’s made of one atom of oxygen and two atoms of hydrogen.

5. Without dihydrogen monoxide life is not possible.

6. Without dihydrogen monoxide life is not possible.
Earth is the blue planet because of dihydrogen monoxide…

7. Without dihydrogen monoxide life is not possible.
Earth is the blue planet because of dihydrogen monoxide… aka water.

8. Water is H2O. Two hydrogen atoms, one oxygen.
Copyright © 2010 Ryan P. Murphy

9. Please create a step by step drawing of the water molecule in your journal.

22. The Water Molecule
H2O

23. The Water Molecule
H2O

24. The Water Molecule
H2O

25. The Water Molecule
H2O

26. The Water Molecule
H2O

27. The Water Molecule
H2O

28. “The Oxygen (head) is much larger than the hydrogen (ears).”
The Water Molecule
H2O

29. “The Oxygen (head) is much larger than the hydrogen (ears).”
The Water Molecule
H2O
Structure of H2O at…

31. Available Sheet: Properties of Water.
Note: This will be due at the end of Part III.
Bring to class everyday.

32. Available Sheet: Properties of Water.
Note: This will be due at the end of Part III.
Bring to class everyday.

33. New Area of Focus: Properties of Water.
Copyright © 2010 Ryan P. Murphy

34. Properties of Water: Water has unique properties because of its lopsided + and – ends.-
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35. Some water basics -
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36. Water freezes at 0 degrees Celsius, and boils at 100 degrees.
Water freezes at 32 degrees Fahrenheit (F) and boils at 212 degrees F (Sea-Level)
Copyright © 2010 Ryan P. Murphy

37. Water freezes at 0 degrees Celsius, and boils at 100 degrees.
Water freezes at 32 degrees Fahrenheit (F) and boils at 212 degrees F (Sea-Level)
Copyright © 2010 Ryan P. Murphy

38. Water weighs 28.3 Kilograms per cubic foot.
Weight: pounds per cubic foot at 32°F (It’s heavy).
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39. Water weighs 28.3 Kilograms per cubic foot.
Weight: pounds per cubic foot at 32°F (It’s heavy).
Copyright © 2010 Ryan P. Murphy

40. Water from your tap weighs the same as this water.

41. Density: 1 gram per cubic centimeter.
More facts about water at….

42. Area of Focus: Volume, Liter, l
How is your HW?
I Love the
Metric System

43. Volume: The three-dimensional space an object occupies.
Metric
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44. Volume and Density Available Sheet.
Additional classwork / homework

51. The standard unit of volume in the metric system is the liter.
A liter is 1000 milliliters
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52. Always measure a liquid at the bottom of the curved meniscus.
How many milliliters is this?
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53. Answer: 6.8 ml (milliliters)
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54. Measure at bottom of Meniscus.
Answer: 6.8 ml (milliliters)
Measure at bottom of
Meniscus.
Copyright © 2010 Ryan P. Murphy

55. Volume is also the space that matter occupies.-
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56. Volume is also the space that matter occupies.
Matter is anything that has mass and takes up space.
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57. Important note: Mass and weight are different.
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58. Important note: Mass and weight are different.
Mass is a measurement of the amount of matter something contains.
Copyright © 2010 Ryan P. Murphy

59. Important note: Mass and weight are different.
Mass is a measurement of the amount of matter something contains.
Weight deals with the pull of gravity.
Copyright © 2010 Ryan P. Murphy

60. Important note: Mass and weight are different.
Mass is a measurement of the amount of matter something contains.
Weight deals with the pull of gravity.
Even if you are weightless in space you still have mass.
Copyright © 2010 Ryan P. Murphy

61. How do you find the volume of a cube?
Length x Width x Height - ____cm3
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62. How do you find the volume of a cube?
Length x Width x Height = ____cm3
Copyright © 2010 Ryan P. Murphy

63. Activity! Finding the volume of a cube.
Please measure the length, width and height and multiply L x W x H to get answer.
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64. 5 cm 5 cm 5 cm What is the volume of this cube?
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65. Answer: 53 or 5 x 5 x 5 =
5 cm
5 cm
5 cm
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66. 5 cm 5 cm 5 cm Answer: 53 or 5 x 5 x 5 = 125 cm³³
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67. 40 cm 40 cm 40 cm What is the volume of this cube?
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68. Answer! 40 x 40 x 40 =
40 cm
40 cm
40 cm
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69. Answer! 40 x 40 x 40 = 64,000 cm³
40 cm
40 cm
40 cm
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70. What is the volume of this rectangle?
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71. Answer! 144 cm3
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72. What is the volume of this rectangle? Each unit is equal to 1 cm³
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73. Answer! 5 (L) x 4 (W) x 3 (H) =
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74. Answer! 5 (L) x 4 (W) x 3 (H) =
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75. Answer! 5 (L) x 4 (W) x 3 (H) =
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76. Answer! 5 (L) x 4 (W) x 3 (H) = 60 cm³
Copyright © 2010 Ryan P. Murphy

77. Find the volume of the density cubes?
2.5 cm
2.5 cm
2.5 cm
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy

78. Answer! cm³
2.5 cm
2.5 cm
2.5 cm

79. How much is Bowser by water displacement?
1000 ml
1000ml
500 ml
500ml

80. How much is Bowser by water displacement?
1000 ml
1000ml
500 ml
500ml

81. How much is Bowser by water displacement?
1000 ml
1000ml
500 ml
500ml

82. How much is Bowser by water displacement?
1000 ml
1000ml
500 ml
500ml

83. How much is Bowser by water displacement?
1000 ml
1000ml
500 ml
500ml

84. How much is Bowser by water displacement?
1000 ml
1000ml
500 ml
500ml

85. Answer? How much is Bowser by water displacement? 1000 ml 1000ml

86. Answer? 500 ml How much is Bowser by water displacement? 1000 ml

87. What is the volume of Toad?
1000 ml
1000ml
500 ml
500ml

88. What is the volume of Toad?
answer?
1000 ml
1000ml
500 ml
500ml

89. What is the volume of Toad?
answer?
100 ml
1000 ml
1000ml
500 ml
500ml

90. How many milliliters is the toy scuba diver by using water displacement?
Copyright © 2010 Ryan P. Murphy

91. Answer:
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92. Answer: About 16 ml.
Copyright © 2010 Ryan P. Murphy

93. Activity! Please find the volume of the irregular shaped objects using water displacement.
Draw each object and provide its volume next to the picture (cm3).
Use the graduated cylinders and other measuring containers.
Please don’t make a mess!
Copyright © 2010 Ryan P. Murphy

94. Measure before and after.
Activity Extension.
Blow up a small balloon and use water and a graduated cylinder to determine the volume of air in the balloon.
Measure before and after.

95. Measure before and after.
Activity Extension.
Blow up a small balloon and use water and a graduated cylinder to determine the volume of air in the balloon.
Measure before and after.
Other method?

96. Density: How much mass is contained in a given volume. We use grams/cm³-
Copyright © 2010 Ryan P. Murphy

97. Density: How much mass is contained in a given volume. We use grams/cm³
(grams per cubic centimeter)
Copyright © 2010 Ryan P. Murphy

98. Density: How much mass is contained in a given volume. We use grams/cm³
(grams per cubic centimeter)
Density = Mass divided by volume
Copyright © 2010 Ryan P. Murphy

99. D = ------------- = grams/cm³ Volume
Density: How much mass is contained in a given volume. We use grams/cm³
(grams per cubic centimeter)
Density = Mass divided by volume
Mass
D = = grams/cm³
Volume
Copyright © 2010 Ryan P. Murphy

100. What is the density of this cube if it weighs 100 grams?
1 cm

101. What is the density of this cube if it weighs 100 grams?
33 = 27 cm³
1 cm

102. What is the density of this cube if it weighs 100 grams?
33 = 27 cm³
D = M/V
1 cm

103. What is the density of this cube if it weighs 100 grams?
33 = 27 cm³
D = M/V
Mass = 100g
1 cm

104. What is the volume of this cube if it weighs 100 grams?
33 = 27 cm³
D = M/V
Mass = 100g
100g/27cm3
1 cm

105. What is the volume of this cube if it weighs 100 grams?
33 = 27 cm³
D = M/V
Mass = 100g
100g/27cm3
D = 3.7 g/cm³
1 cm

106. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
M = 6g
V = 8 cm3
Donkey Kong
M = 15 g
V = 30 cm3
Mario
M = 8g
V = 10cm3
Goomba
M = 8g
V = 6 cm3

107. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
M = 6g
V = 8 cm3
Donkey Kong
M = 15 g
V = 30 cm3
Mario
M = 8g
V = 10cm3
Goomba
M = 8g
V = 6 cm3

108. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

109. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

110. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

111. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

112. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

113. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

114. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

115. Please determine the densities of the following characters
Please determine the densities of the following characters. Who is most dense?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

116. Which one will sink in water?
Yoshi
.75 g/cm3
Donkey Kong.
.5 g/cm3
Mario
.8 g/cm3
Goomba
1.3 g/cm3

126. What’s the Density of Wario? His Mass is 200gl
1000 ml
1000ml
500 ml
500ml

127. What’s the Density of Wario? His Mass is 200g
1000 ml
1000 ml
1000ml
500 ml
500ml

128. What’s the Density of Wario? His Mass is 200g
1000 ml
1000 ml
1000ml
500 ml
500ml

129. What’s the Density of Wario? His Mass is 200g
1000 ml
1000ml
500 ml
500ml

130. What’s the Density of Wario? His Mass is 200g
1000 ml
1000ml
500 ml
500ml

131. What’s the Density of Wario? His Mass is 200g
1000 ml
1000ml
500 ml
500ml

132. ? What’s the Density of Wario? His Mass is 200g 1000 ml 1000ml 500 ml

133. What’s the Density of Wario? His Mass is 200g Density = 200g / 250cm3
1000 ml
1000ml
500 ml
500ml

134. What’s the Density of Wario? His Mass is 200g Density = 200g / 250cm3
1000 ml
1000ml
500 ml
500ml

135. WARIO FLOATS What’s the Density of Wario? His Mass is 200g
Density = 200g / 250cm3
Density = .8 g/cm3
WARIO FLOATS
1000 ml
1000ml
500 ml
500ml

136. An object will float in water.
Density of less than one = float.
Density of more than one = sink.
Copyright © 2010 Ryan P. Murphy

137. An object will float in water.
Density of less than one = float.
Density of more than one = sink.
Copyright © 2010 Ryan P. Murphy

138. An object will float in water.
Density of less than one = float.
Density of more than one = sink.
Copyright © 2010 Ryan P. Murphy

139. Which object from the tank below has a density of more than one g/cm³.

140. Which object from the tank below has a density of more than one g/cm³.
1.89 g/cm³

141. Activity (Optional) Finding density.
Go back to the irregular shaped objects, weigh them in grams and determine their density.
Which objects will float, and which will sink?
Remember your answer is in grams / cm³

142. Activity Sheet Available: Density and Volume

143. Structure: H20 (water) One oxygen bound by two hydrogen.
Oxygen shares one electron with each hydrogen atom.
Copyright © 2010 Ryan P. Murphy

144. Structure: H20 (water) One oxygen bound by two hydrogen.
Oxygen shares one electron with each hydrogen atom.
Oxygen
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145. Structure: H20 (water) One oxygen bound by two hydrogen.
Oxygen shares one electron with each hydrogen atom. H H
Oxygen
Copyright © 2010 Ryan P. Murphy

146. Structure: H20 (water) One oxygen bound by two hydrogen.
Oxygen shares one electron with each hydrogen atom. H H
Hydrogen
Oxygen
Copyright © 2010 Ryan P. Murphy

147. Structure: H20 (water) One oxygen bound by two hydrogen.
Oxygen shares one electron with each hydrogen atom. H H
Hydrogen
Oxygen
Copyright © 2010 Ryan P. Murphy

148. Structure: H20 (water) One oxygen bound by two hydrogen.
Oxygen shares one electron with each hydrogen atom. H H
Hydrogen
Oxygen
Copyright © 2010 Ryan P. Murphy

150. ?

151. ?

152. ?

153. ?

154. ?

155. ?

158. End Part II
Water Molecule Unit

159. Copyright © 2010 Ryan P. Murphy

160. Copyright © 2010 Ryan P. Murphy

161. Copyright © 2010 Ryan P. Murphy