Clouds in Jar- preschool. water with shaving cream on top (clouds) then pour colored water in a droper on top the clouds and watch as it goes thru the cloud and into the water.Good site on preschool stuff
Cute idea for measurement common core- do a few times a year. Read Big Dog, Little dog, and then measure each child to see how tall they are. Make a chart for display, and leave out the measuring tape for a few days!