Apple Unit from Kindergarten Hoppenings / Great when teaching seasons. Could use balls of tissue paper for each season, and have each student glue one piece onto each tree. so the whole class makes ones poster together
Fold a paper towel and spray it with water. Put a paper towel and three lima beans (that had been soaked in water for about an hour) into a Ziploc bag. The Ziploc bags should be stapled inside the greenhouses.