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Hands-on Science Grade 4

Light and Sound

Big Ideas

  • Light and sound are forms of energy with specific properties
  • Sound is created by vibrations
  • Light is required to see
  • Technological innovations involving light and sound have an impact on the environment

We are learning...

  • Natural and Artificial Light Sources
  • Objects that emit (non-luminous) emit or reflect (luminous) light
  • To describe properties of light
Properties of Light -- 
     # 1. Light travels in a straight path
Properties of Light -- 
     # 2. Light can be absorbed
     # 3. Light can be reflected
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Properties of Light -- 
     # 4.  Light can be refracted
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Ms. Walgate's Class 

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