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Unit 3 lesson 3
 

Unit 3 lesson 3

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    Unit 3 lesson 3 Unit 3 lesson 3 Presentation Transcript

    • Unit 3 Lesson 3 Density
    • Remember Matter?
      • Matter – anything that has mass and takes up space
    • Physical Properties
      • Characteristics of materials
      • Color, shape, texture
      • VOLUME and DENSITY
    • Volume
      • Amount of space that matter takes up
    • Density
      • If you know mass and volume of an object, you can calculate density
      • Amount of mass in a defined amount of space
    • Compare Density of 2 Blocks
      • Wood and aluminum
      • Same size
        • Take up same amount of space
        • Same volume
      • Different materials
        • Different masses
    • Compare Density of 2 Blocks
      • Heavier block more dense
      • Greater mass in the same volume
    • Compare Density of 2 Blocks
      • Place blocks in water to compare densities
      • Sink or Float
        • If it sinks its LESS DENSE
        • If it floats its MORE DENSE
    • Compare Density of 2 Blocks
      • Wood FLOATS
      • Aluminum SINKS
      • Wood is LESS DENSE
      • Aluminum is MORE DENSE
    • Liquid Density Column
      • Pour liquids that have different densities
      • Form liquid layers
      Highest density liquid on bottom Lowest density liquid on top
    • Density
    • Finding Density
      • Need mass and volume
      • Mass
        • Balance scale
    • Finding Density
      • Volume
        • Ruler
        • Length x Width x Height
        • cm 3
    • Finding Density
      • Volume
        • Graduated Cylinder
    • Density Problem
      • Paperclip has a mass of 9g and a volume of 3mL
      • What is its density?