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Density
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Density- the measure of how much mass is contained in a given unit of volume.
Abbrev. Ending Unit Density D g/cm3 Mass m g Volume V cm
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Density Column-Think about it???
List the following in order of density (from the heaviest to the lightest). Water, Dawn Dish Soap, Vegetable Oil, Rubbing Alcohol, Karo Syrup, Honey and Lamp Oil
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Material Density Rubbing Alcohol .79 Lamp Oil .80 Vegetable Oil .92 Water 1.00 Dawn Dish Soap 1.06 Light Corn Syrup 1.33 Honey 1.42
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Density Column What order of density for the following: Water, Dawn Dish Soap, Vegetable Oil, Rubbing Alcohol, Karo Syrup, Honey and Lamp Oil
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To find density of an object, you need the mass and volume of the object.
1. Mass- remember to use the balance. 2. Volume- there are 2 ways to find the volume of objects.
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a. To find the volume of a circular object use a graduated cylinder.
-Measure some water in a graduated cylinder -Drop the object and reread the graduated cylinder Subtract the two numbers....you should always have a positive number.
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60 mL = 60 cm3 200 mL 260 mL Water Water with Coin
Calculate the volume of the coin. 260 mL – 200 mL = 60 mL 60 mL = 60 cm3 200 mL mL Water Water with Coin
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b. To find the volume of a rectangular object use a ruler.
Volume = Length X Width X Height cm3 cm x cm x cm 2 cm 2 cm 1 cm 2 cm X 1 cm x 2 cm = 4 cm3
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What is the volume of the box??
3 cm 5 cm 2 cm 5 cm X 2 cm X 3 cm = 30 cm3
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D = m / v m = D x v v = m / D m : : X D V
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D = m / v v = m / D Ex: m = 2 g v = 1 cm3 D = 2 g/ cm3 Ex: m = 6 g
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Ex: m = v = 1cm X 2cm X 4cm D = 2 g/cm3 m = 16 g v = 8 cm3 m = D x v
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