Make Use of Technol

Materials Required

*Candle
*MatchBox
*Glass
*Plane surface plate
*Water

Place the Candle on the  plate at centre.After that burn up the Candle.Pour some water into the plate.Then take the glass  and put upside down to the Candle.A few seconds later  you can see that the  water  are raising up into the glass.

Reaction

Beacuse the base of the cup has created an air tight.The pressure difference  between the inside and outside of the cup cause to araise until the pressure is equal the pressure outside.

For video:http://www.youtube.com/watch?v=UcRlnliUCu8

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