Eggshells are no match for acetic acid in this rubber egg experiment. All you need is an egg, vinegar, and a bowl.

Discover how vinegar can dissolve an eggshell while leaving the inner membrane intact. This fascinating chemical reaction demonstrates acid-base interactions and shows how membranes can be ...

"After an egg is laid, the white, yolk and membrane inside contract as ... This means that both water and air can pass through the shell." If an egg is left sitting for a long time, water ...

Can you peel a raw egg and then make it bounce? No? Liz Bonnin can. Join her as she demonstrates how to use membranes and osmosis to make a rubber egg. Download the Rubber Egg PDF(595 Kb).

This is because the selectively permeable membrane lets water molecules pass through much more rapidly than it lets sugar molecules pass through.

All cells have an outer plasma membrane that regulates not ... Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly. On the other hand ...