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# Science Project on “Flying Upward”, Project Experiment Topics on Flight, Motion & Friction for Class 8, 9, 10 and 12 Students.

Flying Upward

Materials Required:

1. A flagpole
2. A long or oblong balloon
3. Two small paper clips
5. Some string
6. A partner

Isaac Newton had proposed a law in 1687, which stated that “for every action there is an equal and opposite reaction.” This law can be very easily explained. If you and your friend are standing at a point and your friend comes forward and pushes you, you will surely move backwards, but your friend, who has pushed you, will also move backwards.

Gases and liquids are also sometimes used in the same manner to move objects forward. This principle is known as “Jet Propulsion,” and it is the same principle, which operates the • working of airplanes, jets and even missiles.

Take a string and tie it to the rope on a flagpole, which hoists flags on it. You have to get the string to the top of the pole, therefore keep pulling on the rope, till you meet your objective. Have a friend of hold on to the other end of the string for you.

Now you must fill your balloon and hold the end, so that the wind cannot escape. Also bend the two paper clips that you have and form an ‘L’ shape with it. Now use the adhesive tape and stick the clips to the two opposite ends of the balloon. Attach both paper clip hooks to the string on the flagpole. Remember that the end of the balloon should be near you.

Hold the string tightly, so that it remains absolutely straight and then let go off the balloon end. The air inside will immediately push out against the opening and this will cause your balloon to fly out like a missile.

The distance that the balloon will cover will depend on the force of the air inside the balloon, as also the force of gravity which will act against it.

Jet Planes

To fly, an aircraft has to first lift itself off the ground. This lift is produced by the movement of air under the aircraft’s wings, since they are slightly curved. As the thrust to move forward comes from the plane’s jet engines, which push the airplane forward by blowing compressed hot gas backwards. The plane moves forward to take off and the air flowing under the wings lifts the plane upwards. To turn to the right the pilot lifts the wing flaps on his right hand side and lowers the wing flaps on his left side. He also turns the tail rudder to his right side. The process is reversed to turn to the left. For climbing to a higher altitude, the flaps on the tail are lifted and the opposite for diving.