Blog of the week #6

Osmosis- the diffusion of water through a selectively permeable membrane

reference

http://www.google.com/imgres?q=osmosis&um=1&hl=en&client=safari&sa=N&rls=en&biw=1024&bih=1346&tbm=isch&tbnid=gA_J3cjTWkXaRM:&imgrefurl=http://seys-science.wikispaces.com/3%2BOsmosis&docid=aii1X0nvY7f0LM&imgurl=http://seys-science.wikispaces.com/file/view/Osmosis.jpg/97293298/Osmosis.jpg&w=568&h=295&ei=Yj2zTtXEEOfbiAKoq8xa&zoom=1&iact=hc&vpx=546&vpy=210&dur=112&hovh=162&hovw=312&tx=129&ty=99&sig=114124675023565786858&page=1&tbnh=94&tbnw=181&start=0&ndsp=31&ved=1t:429,r:3,s:0