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Physical State

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Physical State - PowerPoint PPT Presentation


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Physical State. Matter can exist in three forms, or physical states: liquid, solid, or gas. Matter can change from one physical state to another by the processes of melting, freezing, evaporation, and condensation. Temperature changes can affect changes in state. Mass.

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Presentation Transcript
physical state
Physical State
  • Matter can exist in three forms, or physical states: liquid, solid, or gas.
  • Matter can change from one physical state to another by the processes of melting, freezing, evaporation, and condensation.
  • Temperature changes can affect changes in state.
slide12
Mass
  • Mass is the amount of matter in an object.
  • Mass is measured with a balance.
  • Mass is not the same as weight.
  • Weight is a measurement of the pull of gravity on an object.
  • Weight is measured with a scale.
magnetism
Magnetism
  • Matter that contains iron, nickel, cobalt, or steel will be attracted to a magnet.
  • Not all metals are attracted to a magnet.
relative density sinking floating
Relative DensitySinking & Floating
  • Weight doesn’t determine if an object will sink or float.
  • The volume of an object and how much “stuff” (matter) is in the object will determine the density.
conduction
Conduction
  • Some materials allow thermal (heat) energy or electrical energy to flow through them easily.
  • These materials are called conductors.
insulation
Insulation
  • Some materials do not allow thermal (heat) energy or electrical energy to flow through them easily.
  • These materials are called insulators.
solubility in water
Solubility in Water
  • Solubility refers to the ability of a substance to dissolve when added to water.
  • A liquid, solid, or gas can be dissolved in water. Examples may include lemon juice in water, sugar in tea, and the carbonation in a soda.
does it matter
Does it Matter?
  • Matter has properties that can be observed and measured.
  • These properties determinehow matter is:
    • Classified
    • Changed
    • Used
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