You Will Need:
* Glass Bowl
* Plastic Tubing
* 2 Cups
Step 1: Half-fill the dishpan with water. Stand the cups upside down
in the pan, and place the glass bowl upside down on them, its
rim below the surface.
Step 2: Pinch one end of the tube closed, and push it into the air space
in the glass bowl. Suck on the tube to reduce air pressure. The
water will rise.
Step 3: Remove the tubing , and you will be left with a raised wall of water.
Lift up the bowl to release the water , and you will create a small