Los Pelos De Punta

Results that make your hair stand on end

Have you ever received a shock while walking on a carpet or from touching a light switch? Wait a dry, cool day to learn about static electricity.
EscucharLeer fonéticamente
 
Diccionario - Ver diccionario detallado

What is needed?

Cool, dry day
2 round balloons (inflated and tied)

2 pieces of rope of 20 inches each.

A wool or acrylicsock

One or more mirrors

One or more friends

What should I do?

1. Tie a string to each balloon.

2. Rub a balloon on your hair for about 15 seconds. Make sure you rub all over the globe.What happens to your hair? What happens when you approach the balloon on your hair?

3. Rub the balloon on your hair again and have a friend (or parent) do the same with the other balloon.

4.Now hold the balloon with ropes, hanging and free, without letting them touch anything.

5. Carefully approaching the balloons to each other but do not let touch.

What do you see?

Do theyattract or repel the balloons?

6. Put your hand between the two balloons.
What happens?

7. Put a sock in one hand and rub a balloon with the sock. Then let the balloon hang freely. Bring yoursock-covered hand to the balloon.

What happens?

8. Try rubbing both balloons with the sock and then hang them close to each other.

What happens now?

9. Find other examples of static electricityin your home.
Ever been given a shock by touching the metal knob of a door on a cold winter day?
What often happens when you take the clothes from the dryer?
Any material containing millions oftiny particles, called protons and electrons, which have electric charges. Protons have positive charges and negative electrons. Usually, they balance, but sometimes when two surfaces rub against eachother, some of the electrons change from one surface to another and we can get static electricity. Materials with the same charges (all positive or all negative) are rejected, those with opposite...