Materials Required:
l Large can, such as a coffee or juice can
l Hammer
l Nail
l Water
The help of one of your parents
Procedure:
- Ask one of your parents to punch 5 holes into a large can, using a hammer and nail. The holes should be placed on the side of the can, near the bottom, and spaced ¼ inch apart.
- Cover the holes with your hand as you fill the can to the top with water. Then set the can near the edge of the sink and remove your hand. You will see 5 streams of water spurt out.
- Squeeze the streams together with your thumb and index finger. They will combine to form a single flow of water.
This Is What Happens:
Each of the 5 streams of water has a film around it. This film, composed of water molecules itself, encases the water, but is quite elastic and allows movement. When you pinch the streams into 1 stream, a new film is formed, which is strong enough to hold all the water together without breaking apart.
