Video of “Surface tension – floating Ping-Pong balls” demonstration

Here are the videos from the “Surface tension – floating Ping-Pong balls” demonstration. The full videos are linked from the GIF titles

Placing the ball with no dish soap

no soap

Placing the ball with food coloring showing a rapid surface flow toward the edge of the cup.

viz

Placing the ball after the soap showing the ball staying relatively still.

soap

 

An index of all the demonstrations posted on this blog can be found here. Don’t forget to follow @nbkaye on twitter for updates to this blog. If you have a demonstration that you use in class that you would like to share on this blog please email me (nbkaye@clemson.edu). I also welcome comments (through the comments section or via email) on improving the demonstrations.

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