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Physical Science Chapter 3 sec1
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Physical Science Chapter 3 sec1

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Transcript

  • 1. Chapter 3: section 1 Page 76- 83 Date: 9/27/10
  • 2. Warm Up 9/27/10
    • What weighs more, a pound of feathers or a pound of bricks? Why?
  • 3. Matter
    • Anything that has MASS and takes up space ( VOLUME )
  • 4. Mass
    • A measure of the amount of matter that makes up an object
  • 5. Mass Vs. Weight
    • Weight is a measure of the gravitational pull on an object.
      • Weight can change, mass does not.
  • 6. Volume
    • All matter takes up space, the amount of space the object takes up is its volume.
  • 7. Volume: Liquid
    • Graduated cylinders: measure liquids
      • Measure at the
      • meniscus
      • (lowest point of the
      • curved surface)
  • 8. Volume: Solid
    • Calculate regular objects:
      • Volume = length x width x height
      • Volume = area x height
    • OR
    • Displaced Volume:
      • 1. Measure amount of liquid. (Volume 1)
      • 2. Add object
      • 3. Record new volume (Volume 2)
      • 4. Calculate: volume of object = Volume 2 – Volume 1
  • 9. 1 mL = 1 cm 3
    • Liquids = Liters
    • Solids = meters 3
  • 10. Homework
    • Done in Notebook:
      • Section Review: Page 83 #s 3-7
        • Copy down Questions