has to be easy , and not too time consuming, cannot deal with people or animals
2006-12-28 16:46:50 · 5 answers · asked by yawn 1 in Education & Reference ➔ Primary & Secondary Education
A homemade record player...stick the record on a pencil, spin it and take a piece of paper and roll it into a funnel and attach it to a needle, hold the needle to the record and let the music play.
2006-12-28 16:51:32 · answer #1 · answered by Anonymous · 0⤊ 0⤋
How last minute are we talking?
If you have a week or two, try growing 3 types of plants and watering them with different things. (Ex: one with just water, one with saltwater, and one with soda) Keep all other things equal and see how they survive in comparison to one another.
2006-12-28 16:52:37 · answer #2 · answered by Esma 6 · 0⤊ 0⤋
make a light bulb here's a site:
http://www.si.edu/harcourt/nmah/lemel/edison/html/making_a_light_bulb.html
2006-12-28 16:49:18 · answer #3 · answered by evilive 4 · 0⤊ 0⤋
coefficient of restitution...search it, i won first place with it. or a volcano
2006-12-28 16:49:56 · answer #4 · answered by Anonymous · 0⤊ 0⤋
make a chemical thingy
2006-12-28 16:54:48 · answer #5 · answered by NEED HELP FAST 1 · 0⤊ 1⤋