Activity 2: Static Magic
There are many ways to understand how static electricity works. Let us experience and be amazed by how this static electricity makes magic!
Materials:
Balloon
Hair
Rod
Paper
Flowing Water
Comb
1. Run a comb through your hair to charge the comb with státic electricity. The comb can now be used to attract neutral pieces of paper.
a. What happened to the pieces of paper when you place the comb above them?
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b. What can you conclude about what happened?
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2. Inflate two balloons and tie them with the same length of the string. Rub one balloon vigorously on your hair or against a woolen material in one direction. Holding each balloon by their string, bring the balloon near to each other.
a. What happened to the two balloons when they are put together?
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b. What happen if two balloons were rubbed and place together?
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3. Rub a glass rod to a cloth. After rubbing, place the charged rod near a running faucet water.
a. What happened to the flowing water when the rod is placed near it?
________________________________________________________________________________________________________________________________________________________________.
b. What can you conclude about this?
________________________________________________________________________________________________________________________________________________________________.
There are many ways to understand how static electricity works. Let us experience and be amazed by how this static electricity makes magic!
Materials:
Balloon
Hair
Rod
Paper
Flowing Water
Comb
1. Run a comb through your hair to charge the comb with státic electricity. The comb can now be used to attract neutral pieces of paper.
a. What happened to the pieces of paper when you place the comb above them?
________________________________________________________________________________________________________________________________________________________________.
b. What can you conclude about what happened?
________________________________________________________________________________________________________________________________________________________________.
2. Inflate two balloons and tie them with the same length of the string. Rub one balloon vigorously on your hair or against a woolen material in one direction. Holding each balloon by their string, bring the balloon near to each other.
a. What happened to the two balloons when they are put together?
________________________________________________________________________________________________________________________________________________________________.
b. What happen if two balloons were rubbed and place together?
________________________________________________________________________________________________________________________________________________________________.
3. Rub a glass rod to a cloth. After rubbing, place the charged rod near a running faucet water.
a. What happened to the flowing water when the rod is placed near it?
________________________________________________________________________________________________________________________________________________________________.
b. What can you conclude about this?
________________________________________________________________________________________________________________________________________________________________.
Answers & Comments
Answer:
Activity 2: Static Magic
1. Run a comb through your hair to charge the comb with státic electricity. The comb can now be used to attract neutral pieces of paper.
a. What happened to the pieces of paper when you place the comb above them?
It got the ability to exert a force on the pieces of paper and attract them. A metallic comb will not attract pieces of paper like a plastic comb. It is because plastic is not a good conductor of electricity. It does not allow the electric charges to flow through it onto the earth.
b. What can you conclude about what happened?
not allowing the metallic comb to get electrically charged. As a result, the metallic comb does not attract the pieces of paper.
2. Inflate two balloons and tie them with the same length of string. Rub one balloon vigorously on your hair or against a woolen material in one direction. Holding each balloon by their string, bring the balloon near to each other.
a. What happened to the two balloons when they are put together?
rubbing the balloons against hair or wool causes the balloons to become electrically charged. They have the same charge, and like charges repel, the balloons move apart.
b. What happens if two balloons were rubbed and placed together?
When you rub both balloons, both end up with a negative charge. Similar charges repel so the balloons push away from each other. You can even use one balloon to push the other around!
3. Rub a glass rod with a cloth. After rubbing, place the charged rod near running faucet water.
a. What happened to the flowing water when the rod is placed near it?
It's like the water is being magnetized by the rod The glass rod loses some electrons, so it becomes positively charged and the silk gains the same number of electrons, so it becomes negatively charged by the same amount.
b. What can you conclude about this?
If you rub a glass rod with a cloth, the charge produced on the glass rod is called positive, whereas when a plastic rod is rubbed with a cloth, the charge produced on the plastic rod is negative.
Explanation:
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