Plantes The kids loved watching bean seeds sprout. We put five beans in a ziploc bag with a folded wet paper towel. The bags were taped to our classroom window (with names written in permanent marker). Of course we also read "Jack and the Beanstalk
Tops and Bottoms book f/u chart. Perfect for plants unit! I would add a picture next to each word for pre-k students. Making this an interactive chart using velcro would be a great hands on activity for this age group as well.
I was given a group task at uni to creat a science display on the topic of pushes and pulls. As I am specialising in early years we had to aim it at the ages of years olds. We chose to use the story of The Enormous Turnip as a stimulus.