Topics: 2)Density - williamsee.weebly.comwilliamsee.weebly.com/uploads/2/1/7/5/21759218/... ·...
Transcript of Topics: 2)Density - williamsee.weebly.comwilliamsee.weebly.com/uploads/2/1/7/5/21759218/... ·...
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Topics: 1)Metric System 2)Density
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a system of international (SI) measurements based
on multiples of 10
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When Measuring… Use… (Base Unit)
temperature Celsius (°C)
Length(distance) meters (m)
mass grams (g)
volume liter (L)
l x w x h (m3)
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What is the difference between mass and weight?
Mass = The amount of matter in an object.
Weight = The measure of gravitational force
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largest
smallest
There are 4 metric (SI) units used in this class:
kilo= 1000 deci= 1/10 or .1
centi= 1/100 or .01
milli= 1/1000 or .001
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centimeter millimeter
1 meter= 1000 millimeters (mm)
1centimeter(cm)=10 millimeters(mm)
1 meter=100 centimeters (cm)
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Pop Quiz= What’s that
measurement?!
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
length of the Mississippi River
•kilometer
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
mass of a paper clip?
•milligram
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
mass of an elephant?
•kilogram
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
width of a fingernail?
•millimeter
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
width of a TV screen?
•centimeter
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
volume of juice in a paper cup?
•milliliter
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
mass of a bowl of cereal?
•grams
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
amount of salt in an order of french fries?
•milligram
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
amount of soda in a large plastic bottle?
•liter
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centimeter kilometer milligram
millimeter gram kilogram
celsius meter liter milliliter
temperature of a bowl of soup?
•Celsius
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is the mass of an object per unit volume (D=m/v). The unit for density is a combination of more than one fundamental unit which is called a derived unit
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The density of water is 1.0 g/mL
•If an object’s density is greater than 1.0 g/mL will it sink or float?
http://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=17
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Will a Diet Pepsi float or sink?
Regular Pepsi?
What do you base your answer on?
What did you see?
Were you correct in your predictions?
Why or why not?
http://www.youtube.com/watch?v=3MUAL3zwN-k
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Units
UNIT NUMBER OF METERS
Meter (m) =1 meter
Kilometer (km) = 1000 meters
Centimeter (cm) = .01 meters
Millimeter (mm) = .0001 meters
1m = 100cm
1mm=.1cm
1cm= 10 mm