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Showing results 81 to 83 of 83
  
How Thick is Your Hair?
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  In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.
  
Exploring the Nanoworld with LEGO Bricks: Structures at the Nanoscale
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  In this activity (pages 7-16), learners model various crystal structures with LEGOs. This activity also contains additional links that explain how to create other crystal structures.
  
Exploring Properties: Surface Area
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  This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.