Teaching: the perfect two minute lesson

December 7, 2011

1Veritasium pulls it off in this little video,  asking “how far apart are the moon and the earth?”. Along the way he sends a message about some pretty complicated subjects–the concept of scale, the size of the universe, and why it is difficult to use images alone to capture the reality of distance.

The recipe starts with “man on the street” interviews. These set up the misconception and in the process send the viewer the empathic message, “hey, you’re not the only one.”  This is followed by a simple demonstration, using the long focus of the camera as an ally. Then simple graphics expand the idea and its implications. Finally, a 10 s summary: “The universe is truly bigger than we can imagine, and certainly bigger than we can draw to scale”.

Imagine a similar suite of videos on any difficult subject: enzymes, global warming, evolution. Imagine producing a suite of five or so on a science topic that interests you, posting them on your own Youtube channel. With your smiling face introducing each one. That’s one way to get noticed and to do a real service.  As a debunker of myths. As teacher of science.

Any great, short, science videos out there you want to bring to a wider audience?

 


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