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Expanding Ball & Ring- Thermal Expansion (Joy Burton)


Include your name and school affiliation


List the principles that are illustrated by this piece of equipment


Include the science standards which are addressed by this equipment.  If no specific content stards are addressed, use the investigation and experimentation standards.

Materials needed

List any other materials that are necessary or helpful when using this demonstration device


Provide a step by step procedure that explains how the demonstration equipment should be used.


Provide a solid scientific explanation for the principles illustrated by the demonstration equipment. 


  1. Inculde at least three questons (with answers) that you can ask to assess understanding of the principles ilustrated
  2. Question
  3. Question

Everyday examples of the principles illustrated

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Include photos that you have taken.  Do not embed the photos in this website as it will run out of memory quickly.  Put the photos in the appropriate album.  Insert the photos by addressing their URL from the insert graphic function. 


Include movies that you have taken.  Your movies should be placed in your youtube account. 


Provide links to relevant websites.