Walking on Raw Eggs. Really.
As you'e getting ready for Passover or Easter, when you might actually have reason to buy 6 dozen eggs, keep this project in the back of your mind as a fun egg-stension into the sciences. This experiment fosters curiosity (what will happen if we walk on raw eggs?) and problem-solving skills (what's the best way to walk on them so they don't crack?), and would be appropriate for anyone older than three (although our 1.5-year old played with us and is still talking about it).
How we did it: