My daughter had a fascinating experiment last week.  She was going to study osmosis with an egg, vinegar, karo corn syrup and distilled water.  I couldn't imagine what the process would involve.  When I took Biology I in high school, we used dialysis tubing filled with corn syrup and tied off, then soaked in a tub of water.  Apologia's Biology  is great.  It's thorough in content, yet uses everyday items around the house to conduct experiements. 

First my daughter got an egg from the refrigerator and put it in a cup full of vinegar and let it sit for 24 hours.  After 24 hours, the shell dissolved and the egg inflated by 1/2"! On the left is a regular egg from the refrigerator and on the right is the inflated egg.

 After she carefully rinsed off the wiggly egg and measured and recorded the circumferance...

she put it in a cup full of karo corn syrup and left that for 24 hours.  Imagine our shock when we discovered this!

She carefully took it out, rinsed it and measured the circumferance.  It was much smaller in circumferance.  Then she placed it in a cup of distilled water for 24 hours.  The egg plumped up again!

Isn't that an incredible way to learn osmosis?!