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  #1  
Old 11-17-2005, 08:49 AM
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Default Grade 9 - 12 Science Fair Projects (Physics)

This is the new forum for all questions relating to Grade 9 to 12 Physics science fair projects.

Post your questions here from now onwards, if you want fast answers!
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  #2  
Old 01-11-2006, 05:48 AM
rachelb12 rachelb12 is offline
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Thumbs up I need help for a 9th grade science fair project.

Hi I need help with a science fair project I'm a girl and I don't want anything to messy or too expensive. Please help me. Thanks rachel
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Old 01-18-2006, 11:25 AM
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Default pressure gauge

hi my project is due the day after tomorrow..i have to break a hair and measure the pressure that was exerted on it to be broken..for that i need a pressure gauge or something..im not sure..could you please tell me what instrument i need to use for measuring the pressure exerted on a pulled hair..im totally lost!
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Old 01-27-2006, 08:54 PM
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Wink How to measure pressure

Pressure equals force/area.
(p=f/a)

To answer your question, find the area of the hair (length x height).

Next, you have to find the force that was used. Typically a spring scale is used. Place the hair over the hook at the bottom. hold the top with your left hand. Pinch both sides of the hair, and gently pull down, watching the spring. Observe what tick the top of the spring said when the hair broke.

Now, use your formula and fill in what you know. (an example is listed below.)

Pressure = force/area
Pressure = 1N/10mm2
Pressure = 0.1 Pa.

Symbols:
N - The standard unit for force, indicating Newtons.
2 - The standard unit for area, indicating 'squared'
Pa - The standard unit in which Pressure is measured, indicating Pascals. If you have 1000 Pa, you can also say it is 1KPa (1 Kilo-Pascal)

Hope it helped!

Yours truly,
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Old 05-29-2006, 05:21 AM
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Default need help in making wireless telegraph set

i want to make a wireless telegraph set as a school project for grade 12.

i have no idea how diode detector works and how will it recieve signals from the transmiter?

it would be great if any other details can also be given .

thanks.

jatin
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  #6  
Old 06-28-2006, 05:16 AM
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Cool grade 12-advantages & disadvantages of button cells!

hello,
i need urgent help 4 an assignment .need advantages & disadvantages of button cells(compared with lead accumulator,dry cell & daniel cell).Thank you!
kriti
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Old 07-10-2006, 03:15 AM
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Red face Need help here!!!!

Pls. help me... I need an investigatory project and I can not think of a problem that is easy to solve... Please help...
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Old 08-21-2006, 05:25 PM
William E. Duncan William E. Duncan is offline
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Default Project ideas on forces and momentum

I'm teaching a unit on forces and momentum and would like to give the students a hands-on project that would help them apply the principles. All ideas will be considered.
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Old 10-02-2006, 10:35 AM
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Default

found an really interesting idea about black holes, i've research through it..
the link is [url]http://www.all-science-fair-projects...33b00f9f2.html[/url]

but i have no idea how exactly can u set up an experiment on this...

i have a IVCDV that's not so good i'm not sure what to do...

IV: Masses of black hole ranged from 10^-5 to 10^42 grams
C: formulas, etc
DV: not so sure

help needed. thanks
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Old 10-11-2006, 03:38 PM
bere bere is offline
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Default science fair project

Quote:
Originally Posted by Mad Scientist
This is the new forum for all questions relating to Grade 9 to 12 Physics science fair projects.

Post your questions here from now onwards, if you want fast answers!
I'm searching for information of the science project about magnetized water please help me!
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