STEM Challenges on a budget for Grades 2 - 5 (However can easily be used in lower ECE grades too with an assistant) (Science, Technology, Engineering and Maths) This pack includes 40 pages There are 20 lesson plans accompanied by 20 activity sheets.
Over 3000 searchable STEM (Science, Technology, Engineering and Math) activities for kids - compiled by top science museums in the US. All are FREE, can be accessed on computer or mobile devices via the free app.
States of Matter: Baking Soda in a balloon, on top of a bottle filled with vinegar makes a gas and fills up the balloon. We've almost finished the matter unit but this might be fun to show them either way.