Tekfinity STEM Club
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Build Your Own Paper Helicopter

Have you ever watched a helicopter spin gracefully down from the sky? It might look like magic, but it’s actually a fascinating demonstration of science in action! Today, we’re going to create our very own paper helicopter. This fun project is not only easy to make, but it also teaches us about physics, specifically the principles of lift and aerodynamics. So, grab your materials and let’s get started!

To build your paper helicopter, you will need a few simple items that you probably already have at home. Gather a piece of paper (a regular sheet will work just fine), a pair of scissors, a ruler, and some tape. You might also want a pencil or pen for marking, and maybe a paperclip to add a little extra weight to your helicopter if you want to see how it affects the flight!

First, let’s prepare the paper for our helicopter. Start by cutting a rectangular strip from the paper that’s about 10 cm wide and 20 cm long. This will be the main body of your helicopter. Now, you’ll want to create the blades that will allow your helicopter to spin. To do this, measure and mark a line about 5 cm from the top of the strip (the 20 cm side), and cut along the marked line for about 3 cm towards the center of the strip. Repeat this on the opposite side, making sure not to cut all the way through the paper. You should now have a strip with two long arms sticking out at the top, which will act as the helicopter blades.

Next, fold the remaining part of the strip (the part that hasn’t been cut) in half. This will be the body of your helicopter. Simply pinch the fold at the bottom to create a small “tail.” This tail helps stabilize the helicopter as it spins down. Now, take your paperclip and attach it to the bottom of the helicopter. This little addition will help give your helicopter some weight, allowing it to fall more smoothly.

Now that your helicopter is assembled, it’s time to test it out! Go to a place where you have plenty of room, like your backyard or a park, and hold your helicopter by the top (the part where the blades are). Make sure to stand a little bit above the ground, about shoulder height is perfect. When you’re ready, release your helicopter and watch how it spins as it falls! You might want to try dropping it from different heights or adjusting the angle at which you release it to see how those changes affect its flight.

Here are some fun experiments you can try with your paper helicopter:

As you watch your paper helicopter twirl gracefully to the ground, think about how real helicopters work. They use spinning blades, called rotors, to create lift and control their descent. The principles of air resistance and gravity are at play, just like in your paper creation! By building and experimenting with your own paper helicopter, you’re diving into the exciting world of physics and engineering.

So, gather your materials, unleash your creativity, and let the science of flight take you to new heights! Who knows, you might just be inspired to build a real helicopter one day!