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Showing results 1 to 8 of 8
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Search: Posts Made By: catwood
Forum: Physics (Grades 9-12) 06-03-2006, 06:32 PM
Replies: 6
Views: 45,745
Posted By catwood
One way if you have a circular track is to attach...

One way if you have a circular track is to attach a computer fan and a very light battery to it facing backwards kind of like those boats you see in swamps.
Forum: Simple Projects (Grades K-5) 11-13-2005, 07:47 PM
Replies: 3
Views: 5,418
Posted By catwood
thoughts: have a tray (6" deep?) filled to top...

thoughts: have a tray (6" deep?) filled to top with sand
drop different ***** like golf ball, basketball, tennis ball etc from height say like 8 feet.
place a stick across the top edges of the tray...
Forum: Physics (Grades K-5) 11-13-2005, 07:42 PM
Replies: 2
Views: 3,996
Posted By catwood
a light bulb filament has to be in a vacuum ( the...

a light bulb filament has to be in a vacuum ( the glass sphere when you buy it) for it to run for very long without catching on fire and disintegrating.
Forum: Physics (Grades K-5) 11-13-2005, 07:37 PM
Replies: 1
Views: 4,067
Posted By catwood
i dont know exaclty what your question is, but...

i dont know exaclty what your question is, but http://www.allelectronics.com/ has a good selection of LEDs and some LED flashlights...also check out radioshack for LEDS
Forum: Physics (Grades K-5) 11-13-2005, 07:34 PM
Replies: 3
Views: 26,157
Posted By catwood
i would be more scared of the high current unless...

i would be more scared of the high current unless you know what you are sure your safe...

see this thread
http://classroom.all-science-fair-projects.com/forum/showthread.php?t=25
Forum: Physics (Grades 6-8) 11-13-2005, 07:33 PM
Replies: 5
Views: 41,700
Posted By catwood
frst a website:...

frst a website: http://www.cubekc.org/architivities/pasta.html

second: my personal thoughts would be lasagna (the long flat ones) and spaghetti noodles. you could try glueing together the noodles,...
Forum: Physics (Grades K-5) 11-13-2005, 07:25 PM
Replies: 1
Views: 4,420
Posted By catwood
Ah

a chance to use my knowledge from my fighting robot experiences!

AH means Amp-hours. all batteries (that i know about) are measured in Amp-hours or milliamp-hours, which are 1/1000th of an...
Forum: Simple Projects (Grades K-5) 11-13-2005, 07:11 PM
Replies: 13
Views: 146,556
Posted By catwood
maglev problem

I am also very interested in building a maglev. I was thinking about cutting an oval from a piece of plywood, staple-gunning cardboard sides on it for walls, lining the bottom with magnets and that...
Showing results 1 to 8 of 8

 
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