Seeing the Invisible: Schlieren Imaging in Slow Motion

This Seeing the Invisible: Schlieren Imaging in Slow Motion video also includes:

Heat rises, but what does that actually look like? The video shows many examples of air currents, such as a burning match and squeezing helium out of a balloon. It highlights common observations that are rarely seen such as gas vapors from rubbing alcohol, the many materials ejected from your mouth when you sneeze, and the cold air being poured out of a cup of ice. It also describes the setup enabling Schlieren imaging, so others can repeat the experiment themselves.

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CCSS: Adaptable
Instructional Ideas

  • Build your own Schlieren Imaging setup
  • Discuss if always being able to air currents would be beneficial or overwhelming
Classroom Considerations

  • Relies on prior knowledge of heat and air currents
Pros

  • Includes subtitles in seven languages to allow for full inclusion
  • Shows pouring cold air off of ice
Cons

  • None