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Challenge 4

An Aerospace Engineering Challenge

efk plane 1
efk plane 2
efk plane 3

Get a flying start to your day with this challenge: Try throwing a paper airplane by moving just your wrist (don’t move your elbow or shoulder). It’s hard, isn’t it? How could you get a paper airplane to fly far if you can use only a short distance to launch it? Try this challenge to find out!

Click on the TITLE to expand for more details

Build a paper plane launcher using the concept of a catapult, like those used on real aircraft carriers. Unlike an aircraft carriers though, you won’t need any compressed air or electromagnets.

In this challenge you will build one using a rubber band. The rubber band stores potential energy when it is stretched. When it is released, it gives kinetic energy (motion energy) to the paper airplane. Even over a short distance, this is much more effective than just using your wrist!

  1. Create your own paper plane launcher using cardboard, building toys such as LEGO® or wood
  2. Build or fold your paper plane and launch it using the paper plane launcher – Here are some ideas for different Paper Plan designs. (CLICK TO DOWNLOAD)
  3. Measure the flight distance using a ruler or measuring tape and fill up the results sheet
  4. Upload a video of you launching the plane using the launcher created on Facebook
  5. Tag Engineering for Kids Malaysia
    1. Make sure the clip is fastened at the tip of the plane
    2. Make sure the launcher is stable when launching
Science Concepts:
  1. Potential energy: Defined as mechanical energy, stored energy, or energy caused by its position.
  2. Kinetic energy: The energy that an object has because of its motion.
  3. Force? Force is a push or pull acting upon an object as a result of its interaction with another object.
  4. Aerodynamics is the way air moves around things. The rules of aerodynamics explain how an airplane is able to fly. Anything that moves through air reacts to aerodynamics. Aerodynamics even acts on cars, since air flows around cars as they move.
  1. Observation
    Compare the different methods of launching the paper plane and observe which gave the best outcome with the least effort
    • First, try to throw your airplane only using your wrist. Keep your shoulder, elbow and forearm still.
    • Then, try throwing your paper airplane using your entire arm
    • Finally, try launching your airplane using the “launcher.”

    You probably found that it was very difficult to throw your paper airplane very far using only your wrist. Your wrist has a much smaller range of motion than your entire arm, and it’s difficult to get the airplane going fast enough for a long flight. A rubber band, however, can store quite a bit of energy in a relatively small distance when it is stretched. A launcher built with a rubber band can get the paper airplane going fast over a much shorter distance, allowing you to launch it much farther than you can with just your wrist—possibly even farther than you could with your entire arm!
  2. Comprehension
    • Potential energy (PE)
    • Kinetic energy (KE)

    What happens when we pull back the rubber band? The stretched rubber band stores potential energy

    What happens when we release the rubber band? The potential energy of the rubber band is converted to kinetic energy of the paper plane

  3. Evaluation
    What forces are at play ?Which rules of aerodynamics impacted the test flight and in what way ?
    • Was the plane design a factor?
    • Did different materials (thickness of paper) affect the flight? Was weight a factor?
    • Did the Kinetic Energy from the rubber band force give enough thrust for flight?

  4. Testing
    Measure the distances travelled by using:
    • Rubber bands with different lengths and thicknesses, or several rubber bands at one go. Which ones launched the plan furthest?
    • Which ones worked better than others? Why do you think that is?
    • Did different paper plane design flies the further? Why?
Challenge 4
Download Centre

Challenge 4 Instructions

Engineering Design Process

Design Sheet

Result Sheet

How To Win Challenge
  1. Complete the challenge
  2. Take a photo or video
  3. Upload onto your Facebook page and tag us, Engineering for Kids Malaysia (make sure the privacy of the post is set to public) 
Terms & Conditions
  1. You are permitted to submit more than one entry for each challenge
  2. You are permitted to participate in more than one challenge
  3. You may submit your projects at any time during the MCO period
  4. To qualify, all submissions via uploads to FaceBook MUST tag Engineering for Kids Malaysia
  5. All credits are redeemable at our center and can only be used for purchase of center classes or camps
  6. All credits are not exchangeable for cash
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