Potato Cannon
This experiment is for kids Grades 9-12.There are several different ways of throwing objects. This is the only potato cannon we’ve found that does NOT use explosives, so you can be assured your kid will still have their face attached at the end of the day. (We’ll do more when we get to chemistry, so don’t worry!)
These nifty devices give off a satisfying *POP!!* when they fire and your backyard will look like an invasion of aliens from the French Fry planet when you’re done. Have your kids use a set of goggles and do all your experimenting outside.
Here’s what you need:
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We’ve made something almost exactly like this, using a meter stick instead of a protractor, in our History before. It was supposed to be a (basic!) sextant, like what they would use at sea long ago.
Using a protractor and straw is much easier to carry and hold steady!
-Steph