Bending Water Experiment

When humidity is low, static electricity can be a problem. It may cause shocks and is capable of making dust stick to surfaces. And as you might of experienced, can sometimes make you hair stand on end. In this activity you will find out that static electricity can also move things.

Materials: a nylon comb a water faucet

Procedure:

1. Turn on the faucet so that it produces a small brook of water. The brook should be about 1/16 in diameter.

2. Take the comb and run it through your hair a couple of times. Slowly bring the teeth of the comb towards the small brook of water, about 3 or 4 inches underneath the faucet. When the teeth are about an inch or less away from the water, the water will bend towards the comb.

3. Slowly, move the comb closer to the water. Observe what happens.

4. Comb your hair again. Look and watch to see if the water will bend anymore.

Make a new hypothesis. Do you think that if you change the size of the water, it will effect how much the water bends?

Simple Circuit Experiment

Materials: A light bulb, a size D battery, tape, and a wire.

1. Tape the battery to a table.

2. Wrap one end of the wire to the metal part of the battery.

3. Touch the other lose end to the battery.

4. Then take the light bulb and touch the metal part it the battery.

Sticky Ballon

Materials: Ballon, and a piece of wool cloth.

1. Rub the ballon against the wool cloth.
2. Try to stick it to the wall.

Sticky Comb

Materials: A robber comb, a piece of wool cloth and, a tap that works.

Procedure:

1. Rub the comb many times against the piece of wool cloth.
2. Turn on the water so that there is a gentle stream of water.
3. Put the comb close to the stream of water.