Siphons are awesome

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Last week, I wrote about teaching science to young kids. The response made me realize that there’s a real need for communicating simple, short experiments that can be done with household items and that communicate a basic idea.

Here’s a video of me showing my daughter how siphons work. It’s an easy experiment, made all the better by her being the one who starts the siphon going.

I could have used this to teach about air pressure. In fact, stretching a balloon over the top and showing how it got indented as the water flowed out—until the pressures equalized—would have been good to show a slightly older kid.

I think I’m going to record each of the little demonstrations in short videos over the next few months.

[Update: some other resources]

My wife suggested these links as other places at which to find science resources for kids.