How to Squeeze Electricity Out of Crystals

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It is possible to generate electricity by squeezing a single sugar crystal. A short video explains how this is possible and the way this knowledge has changed our society. From sonar devices to renewable energy, generations rely on this unique trait of some crystals.

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CCSS: Adaptable
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Instructional Ideas
  • Add the word piezoelectric to vocabulary lists
  • Research other uses of piezoelectricity to generate sustainable energy
Classroom Considerations
  • Assumes prior knowledge of symmetry and energy transfer
  • Requires a free account with TED-Ed
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Analysis questions rely on higher thinking skills
  • Offers subtitles in nine languages
  • Additional resources include high-quality materials
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