Instructional Video

Slow Motion Science! Ferrofluid Dropping on Magnet

Put the fun in physics with ferrofluid! Aside from making cool shapes when it interacts with a magnet, what else can we learn from ferrofluid? A video from an extensive physics playlist examines the similarities between the ferrofluid-magnet relationship, Earth's tides, and getting pulled into a black hole.

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CCSS: Adaptable
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Instructional Ideas
  • Get some ferrofluid for your lab and ask paired pupils to design a magnetism experiment around it
  • After watching the video, have the class brainstorm other magnetic relationships they could visualize using ferrofluid
Classroom Considerations
  • Learners should have an understanding of magnetic fields and gravity 
  • This video is hosted on YouTube
Pros
  • Slow-motion camera work provides amazing views of ferrofluid approaching a magnet held at different distances below it
  • Explanations in the video are clear and scripted appropriately for beginning physics students
Cons
  • None
Common Core