"Static Electricity Phenomena in Life" Electricity PPT Courseware

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Fourth Grade Science Volume 2, Textbook Edition	pptx	6 MB

"Static Electricity Phenomena in Life" Electricity PPT Courseware

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Upload Time: 2024-11-24

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"Static Electricity Phenomena in Life" Electricity PPT Courseware

Why don't objects usually show dots?

It turns out that matter has two kinds of charges at the same time: positive charges and negative charges. Since the positive and negative charges are equal in number and cancel each other out, an object does not appear to be charged. When an object is affected by external influences (such as friction), the charge on the surface of the object is transferred. If the number of positive and negative charges is different, the object becomes charged.

When we use a plastic comb to comb dry hair, the comb is negatively charged and the hair is positively charged, and they attract each other when they are close.

Two objects with different charges attract each other

Two objects have the same charge and repel each other.

Kind tips

1. Hold the red part with your hand and rub it quickly;

2. Do not touch the rubbed parts again;

3. Hang the objects in the black parts and complete them one by one;

4. Predict first, then experiment, and record in time.

Discovered: Like charges repel each other

Different types of charges attract each other

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For more information about the PPT courseware "Static Electricity Phenomena in Electrical Life", please click the "Static Electricity Phenomena in Electrical Life" ppt tag.

"Static Electricity Phenomena in Life" Electricity PPT Teaching Courseware:

"Static Electricity Phenomena in Life" Electric PPT Teaching Courseware Part One: Experience the Static Electricity Phenomena Use a plastic comb that has been combed through dry hair to slowly approach the scraps of paper and observe what happens. Use the plastic comb that has been combed through dry hair to get close to the hair again and observe...

"Static Electricity Phenomena in Life" PPT download:

"Static Electricity Phenomena in Life" PPT Download Part One: Introduction of New Knowledge Use a plastic comb that has been combed through dry hair to slowly approach the scraps of paper and observe what happens. Use the comb that has been used to comb dry hair and get it close to your hair again and observe what happens...

"Static Electricity Phenomena in Life" Electric PPT:

"Static Electricity Phenomena in Life" Electric PPT Part One: Experience the Electrostatic Phenomena 1. Hold a plastic comb close to the scraps of paper and observe the phenomenon. 2. Comb the hair a few times, then approach the scraps of paper and observe the phenomenon. 3. Put the comb that has just been used on your hair close to your hair and observe...

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Update Time: 2024-11-24

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"Static Electricity Phenomena in Life" Electricity PPT Courseware