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.
7 fun science experiments for kids to SEE the sound -- it is hard for kids to understand the concept that sound is wave, these activities make it easier for them to grasp the concept and learn science study skills. Wonderful STEM project ideas for school,