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Magic Pitcher

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Author(s)

Scott Holloway

Principles Illustrated

The power of attractive forces within water as demonstrated by a siphon. 

Prior knowledge & experience:

Try to figure out what is inside the pitcher that allows it to act as follows.

Root question:

Why did the water not start flowing immediately?  Why did the pitcher release more water than was put into it?  Why did the water not flow out again when it was returned to the pitcher?

Target response:

Water fills a tube that begins a syphon.

Common Misconceptions:

Air pressure causes the water to flow through the tube.

Photographs and Movies

 

Magic Pitcher

References

http://en.wikipedia.org/wiki/Siphon.


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