Science Activity Hot Air Cold Air Experiment- watch as the balloon inflates and deflates! This gives students a real world connection to science - hot air balloon. Students learn about density of cold air vs warm air.
Help kids see how plant grow! (Or if you're short on kids just do it for yourself - it's pretty cool!) :: Science for Kids: Observing Plant Growth with Bulbs (with a FREE printable observation sheet!) from Buggy and Buddy