To make balloon rocket

To make balloon rocket 

      Materials required.                    

1. A roll of tape                                                

2. One long piece of string .                          

3. A plastic  straw                                          

4. A balloon.                                                    

                     

                Procedure  

1. Tie one end of the string to a chair , a door handle, or some other from of support. 

2. Now thread the other end of the string through the straw. 

3. Pull the string as tightly as possible and tie other end of the string to another supporting structure in the room.       

  4. Blow the balloon but don't tie it yet.                Pinch the mouth of the balloon and then tape the balloon to the straw. 

 5. Now let go of the balloon and watch your

rocket zoom across the room. 

Conclusion 

By using this we can make our own balloon rocket by easy method.