To repeat, blow through the hose to re-inflate the pop bottle and re-launch the rocket!.The air from inside the bottle will be pushed through the tubing and into the rocket, sending it flying. Place the rocket over the free end of the garden hose.Go outside and position your launcher and rocket so that it is safely pointed away from others.Remove the cap from the pop bottle and duct tape the garden hose to its mouth. Make sure that this connection is airtight. You can experiment with the material, shape, size, placement and number of fins. Create fins by attaching triangles of cardstock to the bottom of the rocket with scotch tape.The rocket must be fairly air-tight to fly well. Cut the end of the tube into a point and use tape to create an air-tight seal. The tube (your rocket) should fit snugly onto the outside of the hose while still being able to slip off easily. Roll the cardstock around the outside of the garden hose and tape it with a piece of scotch tape.Pre-cut the garden hose to the appropriate length Use the scientific process (make predictions, conduct a fair test, control variables, gather and interpret data) to manipulate the flight distance of a toy rocket.Ī garden hose, 12–17mm (1/2–3/4 inches) in diameter and 15–30cm long (or longer)ĭoes the angle of the launch make any difference to the distance of the flight? Explore and demonstrate the effects of action and reaction forces.Īpply their understanding of forces and their effect on objects to manipulate the flight of toy rockets.
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