![]() The Wolf handbook gives instructions for making three types of paper airplanes: the arrow, the delta, and the dart.īut a simple Google search shows you that there are many other types. The reason I recommend asking them what will happen before you give them the paper is to keep that inquisitive kiddo from blowing before anyone has answered! Paper Airplanes & the Scientific Method You could try it with both as you're preparing for the den meeting.Ģ. It's also a bit easier to move the strip than the entire piece. I recommend using a 1″ strip of paper rather than an entire piece of paper because the strip will move more rapidly. This is the same principle that keeps an airplane in the air!ġ. Ask if they're surprised by what happens. Next, give a strip to each child, and have them hold it right below their bottom lip and blow out. It'll be interesting to hear what answers you get. Demonstrate holding the paper right below the edge of your bottom lip, then ask them what they think will happen if you blow out a big breath. ![]() To show this, cut a piece of paper into 1″ strips so that each child can have one. When there's more pressure underneath the object than on top of it, the object rises. ![]() That can all be explained by something called Bernoulli's principle which says that as air moves around an object, it creates different amounts of pressure on that object.įaster air means less pressure. I know I have! ? Bernoulli's Principle Demonstration I'm sure all of us have wondered how those huge airplanes can stay in the air. Today, we're going to focus on airplanes. In this adventure, the kids learn about propulsion by making paper airplanes, model boats, and self-powered cars.
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