Strange Sand Acts Like Liquid

Can you use a solid to study fluid dynamics? You bet! Science scholars examine the process of fluidization with a video from an extensive physics playlist. The narrator demonstrates and explains how the uniform movement of air causes solid particulate matter to behave as a liquid.

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CCSS: Adaptable
Instructional Ideas

  • Incorporate the video into a states of matter unit or study of the behavior of fluids
  • After the video, have the class research other solid materials that could also demonstrate the phenomenon
Classroom Considerations

  • Review the properties of solids, liquids, and gases prior to showing the video
Pros

  • The design steps shown in the video are helpful for pupils to understand how troubleshooting works in an engineering situation
  • Clearly expresses explanations of the principles behind the demonstration 
Cons

  • None
Common Core