Seeing the Smallest Thing in the Universe

For many years, scientists believed atoms were the smallest thing in the universe; then they discovered protons, neutrons, and electrons and thought those were the smallest. Now scientists know protons and neutrons are made of quarks. The video discusses the smallest things we can see with visible light and goes on to outline other ways of seeing small things and the amazing research scientsists at CERN are doing.

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CCSS: Adaptable
Instructional Ideas

  • Explore further how we can measure tiny things by smashing them
  • Encourage interested students to apply to study at CERN for two weeks
Classroom Considerations

  • Avoid public comments sections whenever possible

  • Provides closed captioning in English, French, and Spanish for ELLs
  • Links science to math

  • None
Common Core