Oxygen is needed for burning

           OXYGEN IS NEEDED FOR                                  BURNING.

Introduction :

        This is an experiment to show how oxygen is needed for things to burn.

Materials Needed:

Glass

Plate or tray

Candle

Procedure:

Step-1:

              Take a candle and place it in a bowl.

Step-2:

                 Now light the candle and let it burn for few seconds.

Step-3:

Cover the candle with an inverted glass.



             We can observe that the candle blows out after some time.


Conclusion :

            Oxygen helps in burning. when the oxygen inside the glass is used up.,the candle puts off and the  candle which wont be covered still  going on burning due to the  presence of Oxygen. 

      Watch this video for understanding  better: