Education 325 (Chemistry) Dancing Raisins Science Experiment for Kids - This is such a fun science project for preschool, kindergarten, grade, and grade kids. They will be amazed as they see chemical properties at work.
60 Egg Activities for Kids- including this egg and vinegar experiment. Put the egg in vinegar, soak until the outer shell dissolves. When you take it out, it will have a squishy shell and you can play with it and jiggle it