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.

Concepts

crystals, electricity, sugar, mechanical energy, electrical energy

Show More Show Less

Additional Tags

science

Show More Show Less

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

Pros

• Analysis questions rely on higher thinking skills
• Offers subtitles in nine languages
• Additional resources include high-quality materials

Cons

• None

Common Core

SL.7.2 SL.8.2 SL.9-10.2 SL.11-12.2 RST.6-8.4 RST.9-10.4 RST.11-12.4