2007-09-14 23:00:38 · 5 answers · asked by micpiz25 1 in Science & Mathematics ➔ Chemistry
can someone please help me on this thing??i really need it urgently..thanks if u answered!
2007-09-14 23:10:19 · update #1
here is a good link.offers topics for science investigatory project
http://www.freesciencefairproject.com/
good luck
2007-09-21 06:31:45 · answer #1 · answered by BntMasr 2 · 0⤊ 0⤋
by using utilising the right practise of any digital pupil you are able to layout the device called sea shore eagle. this might have 2 styles of sensors. The circuit for water point indicator could be used. One sensor would be consistently immersed in sea.( it quite is in water) the different one would be interior the shore that may not touch the water. the contemporary styles of sea roughness can not be even warned by using Buoys. This device while it extremely is declared with siren can furnish the warning in 2 circumstances. If the sea water reseeds and if it comes out of the shore from its frequent decrease. So the individuals can circulate to a safer place nicely in strengthen until now important incidents ensue. i'm the only that issued the warning to community T.V 2 hours until now Tsunami struck our coast. yet they have disregarded my warning.We lost the existence of countless hundreds.
2016-10-08 21:56:01 · answer #2 · answered by ? 4 · 0⤊ 0⤋
Electrolysis of water, pendulums etc.
2007-09-15 00:01:53 · answer #3 · answered by ag_iitkgp 7 · 0⤊ 0⤋
whether a hot drink cools quiker with a metal spoon in or not....i did that in school
2007-09-14 23:06:48 · answer #4 · answered by Cupcake.....:) 4 · 1⤊ 0⤋
cold fusion
2007-09-20 07:25:59 · answer #5 · answered by bagalagalaga 5 · 0⤊ 0⤋