This would be neat made with wine bottles and a fountain pump to recycle the water. A clever wall fountain.
Science for Kids: Exploring Ramps and Friction - awesome idea! Kids love everything with cars and they will love this experiment!
How much weight can your boat float? Mass, volume, density, buoyancy, measurement, inquiry, graphing.
Top 10 Popular Posts of 2012 - There are lots of neat ideas on here like a DIY light table and sandy play dough, but I love the tubes of water idea for a water table