Download - Unit 3 lesson 3
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Unit 3 Lesson 3Unit 3 Lesson 3
Density
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Remember Matter?
0Matter – anything that has mass and takes up space
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Physical Properties
0Characteristics of materials0Color, shape, texture0VOLUME and DENSITY
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Volume
0Amount of space that matter takes up
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Density
0 If you know mass and volume of an object, you can calculate density
0Amount of mass in a defined amount of space
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Compare Density of 2 Blocks
0Wood and aluminum0Same size
0 Take up same amount of space0 Same volume
0Different materials0 Different masses
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Compare Density of 2 Blocks
0Heavier block more dense0Greater mass in the same volume
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Compare Density of 2 Blocks
0Place blocks in water to compare densities
0Sink or Float0 If it sinks its LESS DENSE0 If it floats its MORE DENSE
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Compare Density of 2 Blocks
0Wood FLOATS0Aluminum SINKS0Wood is LESS DENSE0Aluminum is MORE DENSE
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Liquid Density Column
0Pour liquids that have different densities
0Form liquid layers
Highest density liquid on bottom
Lowest density liquid on top
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Density
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Finding Density
0Need mass and volume0Mass
0 Balance scale
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Finding Density
0Volume0 Ruler0 Length x Width x Height0 cm3
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Finding Density
0Volume0 Graduated Cylinder
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Density Problem
0Paperclip has a mass of 9g and a volume of 3mL
0What is its density?