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  #1  
Old 07-20-2005, 10:35 AM
hushpuppy hushpuppy is offline
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Question Building a Speaker Using Plastic Cups

Hi, I am looking for information on how to build a speaker using a plastic cup. I am trying to put together some simple labs for children ages 13 - 15. Currently we are studying sound and electromagnetic fields. Can you point me in the right direction?

Thanks
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  #2  
Old 07-21-2005, 10:09 AM
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Default Try the search feature

Search for "magnet" or "speaker" and Im sure you'll find a suitable project.
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Old 07-21-2005, 10:16 AM
Coldplay Coldplay is offline
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Default How dob I search for projects?

There are 2 search links at the top of the screen. One on the blue bar and the other found higher up on the black top menu bar. Which one do I use?
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Old 07-21-2005, 10:42 AM
sciencefan sciencefan is offline
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Lightbulb Use the Top Menubar Search

That's the one to use to search for projects. The Search link on the blue (lower) bar lets you search only the forums
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  #5  
Old 10-10-2005, 04:47 AM
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Question just trying to help

have you searched this site yet? [url]http://www.all-science-fair-projects.com/[/url]
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Old 10-11-2005, 08:52 AM
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Lightbulb

thats a great experiment. keep us updated please. I'm sure everybody would like to know how the experiment works.
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Beneath the boughs of an apple tree,
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The situation's true gravity.

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Old 10-11-2005, 02:19 PM
Angiegirl Angiegirl is offline
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Smile i play neopets

neopets-username-volc-or volc1
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  #8  
Old 10-11-2005, 03:18 PM
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Default ello?

Angiegirl, Keep your comments relevent!

Also, have you tried making a can N' String Phone?
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Old 10-12-2005, 03:54 AM
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Red face just quoting and helping

this is tricky any other topice you would like to do?
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"Things happen for a reason"
science Rocks
happy day
(>.<)
"with out war we cannot appreciate peace!"

Gentle movements
of love,
The watching over from Heaven.
The eternity of love.
Wonders, Questions
that could never be answered.
But only faith
that swirls forever around us.
Praise Lord Jesus Christ!

By Wisteria

what is the meaning of life?

more to come...
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  #10  
Old 10-12-2005, 05:31 AM
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all the best
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///\\\
(@ @)
+---oOO----(_)---Ooo-----+

The Newtons and friends were taking tea
Beneath the boughs of an apple tree,
When a falling fruit landed on the
Head of the head of the family.
Mrs. Newton cried, 'Well deary me!
That could've caused an injury'.
But clever Isaac alone could see,
The situation's true gravity.

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