These free online STEM resources have fun activity ideas for students with fully developed lesson plans for teachers or homeschool parents. Listed out by Science, Techonology, Engineering, Math, and grade level.
Kindergarten Science and First Grade Science Science Day is great for busy kindergarten and first grade teachers who need a fun and easy way to incorporate science. There are 30 investigations included, enough for a lesson almost every week all year
These are an idea we implemented into our school building last year as a way to really engage teachers and students into the STEM way of thinking! They are designed to be done whenever the teacher wants to do them, with easy to find (and cheap) supplies.