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Pre-K Science Project

A place to ask general spud cannon related questions.
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Pre-K Science Project

Unread postAuthor: PVC Arsenal 17 » Wed Jun 01, 2011 4:48 pm

Every Wednesday my sister demonstrates some basic, fun science experiments to her pre-k classes (ages 2-5). For a while she's been asking me to put together some stuff to show them because the kids love when guests come in. Since I'm back from school I had time to make a few things to show them.

This picture shows everything I brought:

Bottom left is a soda bottle preform with a pump-cap. I put a Nerf dart inside and pumped it up to show them how air pressure crushes the foam.

Bottom middle is a pipe with two ring magnets around it. The magnets are facing each other with the same poles so they repel. I showed them elastic collisions and how you can "levitate" one of the rings with magnetism.

Bottom right is a very simple water rocket I made the other day. It consists of a garden hose quick-disconnect set, small PVC handle section, schrader valve, and a soda bottle. I gave them a quick explanation of Newton's Third Law and launched the rocket a few times.

Top is one of my old cannons. I filled the barrel with water and shot it up in the air so it rained down on them.

They loved everything, especially the cannon and the rocket. I'm hoping I inspired a kid or two to take an interest in science. If not, they all had a good time at least.

More on the rocket:



I didn't bother with a nosecone or fins so of course it didn't fly very straight, but the kids could care less. It was a simple thing to put together and I even amused myself with it for a good hour while figuring out the right water:pressure mix.

And of course the pressures were kept low and the kids sat a safe distance away.
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Unread postAuthor: jackssmirkingrevenge » Wed Jun 01, 2011 11:21 pm

Excellent! At this age this things tend to leave a lasting impression on children, you may well have single handedly sown the seeds for the next generation of notable American spudders ;)
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Unread postAuthor: Gun Freak » Thu Jun 02, 2011 6:21 pm

Get 'em started early :wink: Nice work :)
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Unread postAuthor: jimmy101 » Thu Jun 02, 2011 6:45 pm

Nice job!

All good (and easy) stuff that'll wow the heck out of a kid.

Years ago I did a presentation and demo with water rockets for a first grade class. We used a remote trigger (long length of string) to send the rockets on their way.

I told the kids that NASA does it the same way. If you look closely at the flame under the rocket in the photo you can see the guy pulling the launch string.

(The kids didn't believe my story, at least, I don't think they did.)
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