Osmosis and Lipids

Osmosis
How Osmosis Works http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter2/animation__how_osmosis_works.html
Lipids
Chem4kids http://www.chem4kids.com/files/bio_lipids.html “When you think of fats, you should know that they are lipids. Lipids are also used to make steroids and waxes. So, if you pick out some earwax and smell it, that’s a lipid, too!”
Science for Kids http://scienceforkids.kidipede.com/biology/cells/doing/lipids.htm Lipids Experiments include mixing water and oil and blowing bubbles!
Science for Kids http://scienceforkids.kidipede.com/biology/cells/lipids.htm This page explains lipids