Physical Properties
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Physical Properties

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created for 5th grade science classroom

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Physical Properties Physical Properties Presentation Transcript

  • Physical Properties Observe, Describe, and Measure
  • What are physical properties?
    • A physical property is a property or characteristic of and object or substance that can be observed, described, and measured without changing the matter.
  • Common Physical Properties
    • Length: how long or tall an object is.
    • Mass: the amount of matter in an object.
    • Area: the amount of surface inside a closed boundary.
    • Perimeter: the distance around an object.
    • Texture: how an object feels.
    • Taste
    • Odor
    • Color
    • Elasticity: the elasticity of an object is its ability to return to normal shape and size
    • Density: A measure of the amount of matter in a given volume. Density does not change with the amount of matter measured.
  • How To Observe/Measure Physical Properties
    • Use a ruler or a tape measure to measure length. Units include feet, inches, meters, centimeters, ect.
    • Use a scale to measure mass. Units include grams, kilograms, ect.
    • To measure area of a rectangle, measure the lengths of two adjacent sides and multiply them together. Units include feet 2 (or square feet), inches 2 , meters 2 , centimeters 2 , ect.
  • How To Observe/Measure Physical Properties, cont’d
    • To measure perimeter, measure around an object.
    • To observe texture, feel the object with your hands.
    • To observe elasticity, try to bend or stretch the object to see if it returns to it’s normal shape and size.
  • How are Physical Properties Used?
    • Physical properties are used to identify and classify substances and materials.
    • Scientists VERY CAREFULLY observe, describe, and measure substances and materials in order to identify them or classify them.
  • Amounts and Physical Properties
    • Some physical properties stay the same no matter how much material/substance is present.
      • This includes taste, odor, color, texture, and elasticity.
    • Other properties change when the amount of material/substance changes.
      • This includes length, mass, area, and perimeter.