2006-08-11 08:05:09 · 10 answers · asked by Anonymous in Science & Mathematics ➔ Other - Science
Build a scale model of the solar system. At the fair have a big big big ball for the Sun. The have pictures of the other planets with the correct size balls from around town to show how far away they really are. Use a three foot ball for the sun so Pluto is miles away and the size of a pea.
2006-08-11 08:17:43 · answer #1 · answered by Grant d 4 · 0⤊ 0⤋
Do a search concerning the "Sterling Steam Engine". It is a simple device that can be made out of a tin can. It runs on either heat or cold potential difference (like a cup of coffee, or ice cube). I'm sure you could make one.
2006-08-11 13:47:55 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Mix Mentos with Diet Pepsi
Mix Clorox with brake fluid
2006-08-11 08:08:38 · answer #3 · answered by Jet 6 · 0⤊ 0⤋
* Do an experiment with the mosquitone cell phone ring to see who can hear it and who can't and why.
http://mosquitone.net/?feed=rss2
* Airzooka experiment. Fill with propane and shoot it toward a flame. Fill it with smoke and see how the smoke travels. Come up with other uses for the device.
http://ultrastuntdangeracademy.com/Album/2005-12-20.Flamezooka/ Don't miss the videos.
2006-08-11 08:50:49 · answer #4 · answered by realius 2 · 0⤊ 0⤋
Do a plaster sculpture of the three parts of the brain and paint them check any encyclopedia for pictures of the brain, or you could set up a water wheel to show the uses or hydropower
2006-08-11 08:12:51 · answer #5 · answered by ? 2 · 0⤊ 0⤋
do the ol electricity by potato thing..would be good esp in the time of renewable resources
2006-08-11 08:10:57 · answer #6 · answered by Anonymous · 0⤊ 0⤋
I got nothing. Sorry.
2006-08-11 08:08:10 · answer #7 · answered by eagleboy225 3 · 0⤊ 0⤋
light/sound reflex test
2006-08-11 08:10:25 · answer #8 · answered by Anonymous · 0⤊ 0⤋
WATCH "MYTHBUSTERS" ON DISCOVERY CHANNEL!!!!
2006-08-11 08:10:34 · answer #9 · answered by K 3 · 0⤊ 0⤋
i'm smart
2006-08-12 13:24:23 · answer #10 · answered by thuong_tran113 4 · 0⤊ 0⤋