Any Physics - Electrostatic energy experts here?

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Juugo

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#1 Juugo
Member since 2007 • 330 Posts
I have to hold a presentation about it but if I google it I dont get any usefull information that a normal person can understand
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yoshi-lnex

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#2 yoshi-lnex
Member since 2007 • 5442 Posts
Just use wiki, and you may have to do a bit of research to get an understanding of it.
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Dark__Link

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#3 Dark__Link
Member since 2003 • 32653 Posts
I have a decent understanding of electrostatics...
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194197844077667059316682358889

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#4 194197844077667059316682358889
Member since 2003 • 49173 Posts
What kind of information do you want? I got a 98 in emag, though that was a looooong time ago
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Witchsight

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#5 Witchsight
Member since 2004 • 12145 Posts
Speaking, how may i help you
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Nyx-Risa

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#6 Nyx-Risa
Member since 2007 • 100 Posts

I am a Physics major.

What level of presentation are you doing? Electrostatic force is pretty dry until you get to the university level where oyu actually calculate systems.

Here would be a good outline:

- Introduction to Electromagnetism (the Physics field that encompasses electrostatics)

- Introduction to Electrostatics (more commonly known as static electricity). Describe how the static electricity phenomenon happens. i.e. a buildup of negative or positive charges that causes a potential difference.

- Describe how you can create a potential difference. Friction is the one most people know of.

- describe real world Electrostatic phenomena such as lighting and an electric "shock".

- Equations that may be useful: Electrostatic Potential, Gauss' Law. Unless you do multivariable calculus, don't bother with the derivation of these equations in your presentation.

- a demonstration of Electrostatic potential ("the negative charges are building here, the positive charges are building here and look at what happens")

- Summarize and conclude your presentation.

You may want to have a bit of a theme in your presentation such as "Everyday electrostatics" so it will appeal to an everyday audience and they will understand how this topic applies in their life.

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Juugo

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#7 Juugo
Member since 2007 • 330 Posts

Well its for 14-15 year olds and it has to be 5-10 minutes long

Thanks for the responses  

Does anyone have any more information? 

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Nyx-Risa

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#8 Nyx-Risa
Member since 2007 • 100 Posts
With that audience focus more on the Static Electricity approach. Tell them how charges build up and everyday applications. If you can get your hands on a Van de Graaff Generator then your presentation will be a guaranteed hit! Most high schools have one lying around in the science storage room.
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194197844077667059316682358889

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#9 194197844077667059316682358889
Member since 2003 • 49173 Posts
An aspect of electrostatics that amazed me when I first learned about it is the van der Waals force, intermolecular electrical potential that is responsible for objects being objects, rather than incoherent blobs of atoms. It's what allows solids to be solid, for instance. You could probably get a solid minute of presentation out of the material in the linked article.
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Juugo

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#10 Juugo
Member since 2007 • 330 Posts
Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physics
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CrimzonTide

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#11 CrimzonTide
Member since 2007 • 12187 Posts
I took AP physics in high school, and forgotten every last piece of information I learned from that class.
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Nyx-Risa

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#12 Nyx-Risa
Member since 2007 • 100 Posts

An aspect of electrostatics that amazed me when I first learned about it is the van der Waals force, intermolecular electrical potential that is responsible for objects being objects, rather than incoherent blobs of atoms. It's what allows solids to be solid, for instance. You could probably get a solid minute of presentation out of the material in the linked article.xaos

I wouldn't recommend that for a presentation to 14-15 year olds. Van der Waals forces are interesting, but are attributed more to Chemistry. Out of the dozens of things that can be tied into Electrostatics, Ven der Waals forces aren't that important for a grade 9 level presentation. 

 What would be more appropriate for a Grade 9 presentation would be ionic bonding and molecule polarity.

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194197844077667059316682358889

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#13 194197844077667059316682358889
Member since 2003 • 49173 Posts
Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physicsJuugo
It's always iffy to do a presentation on a subject you don't know anything about :) Best of luck to ya
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#14 Nyx-Risa
Member since 2007 • 100 Posts

Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physicsJuugo

 Start here.

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CrimzonTide

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#15 CrimzonTide
Member since 2007 • 12187 Posts

[QUOTE="Juugo"]Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physicsxaos
It's always iffy to do a presentation on a subject you don't know anything about :) Best of luck to ya

Well, if your audience doesn't know anything either, you can just make everything up:D

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Juugo

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#16 Juugo
Member since 2007 • 330 Posts

[QUOTE="Juugo"]Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physicsNyx-Risa

Start here.

 

Thanks alot!

That will be really helpfull 

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194197844077667059316682358889

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#17 194197844077667059316682358889
Member since 2003 • 49173 Posts

[QUOTE="xaos"]An aspect of electrostatics that amazed me when I first learned about it is the van der Waals force, intermolecular electrical potential that is responsible for objects being objects, rather than incoherent blobs of atoms. It's what allows solids to be solid, for instance. You could probably get a solid minute of presentation out of the material in the linked article.Nyx-Risa

I wouldn't recommend that for a presentation to 14-15 year olds. Van der Waals forces are interesting, but are attributed more to Chemistry. Out of the dozens of things that can be tied into Electrostatics, Ven der Waals forces aren't that important for a grade 9 level presentation. 

 What would be more appropriate for a Grade 9 presentation would be ionic bonding and molecule polarity.

Yeah, I was just thinking of a handwavy explanation, not getting into particulars of dipole moments and junk, but just covering intermolecular foprces and maybe covering how they and heat relate to states of matter, but that might be going further afield from strict electrostatics than the TC wants anyway.
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Juugo

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#18 Juugo
Member since 2007 • 330 Posts

[QUOTE="xaos"][QUOTE="Juugo"]Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physicsCrimzonTide

It's always iffy to do a presentation on a subject you don't know anything about :) Best of luck to ya

Well, if your audience doesn't know anything either, you can just make everything up:D

 

Its for my physics class and I really need the grade since theres a teacher too 

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Nyx-Risa

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#19 Nyx-Risa
Member since 2007 • 100 Posts
Ask your teacher if you can use the school's Van de Graaff Generator for your presentation.
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Juugo

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#20 Juugo
Member since 2007 • 330 Posts

He probally wont let me

he is a veeeeery bad teacher

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meltedmuffin

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#21 meltedmuffin
Member since 2007 • 1166 Posts
Don't do what we did in electronics (english GCSE class) and make a tesla coil, it's all right until a y7 forgets to discharge.
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Juugo

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#22 Juugo
Member since 2007 • 330 Posts

[QUOTE="Juugo"]Thanks for the link but im looking for something simplified an article that you can understand without knowing anything about physicsNyx-Risa

Start here.

Thanks again for the link it really saved me^^Â