Kids in grades 4 – 6 are invited to explore STEM concepts. Each week we will conduct two experiments using various common household items. This week we will explore radioactivity and thermodynamics. Supplies you need are: M&M’s, paper towel, paper, pencil, plastic cup, bowl, ice, water, glass bottle with narrow neck, coin (has to be bigger that mouth of bottle).  Participants must register for each class, space is limited. Zoom links will be sent shortly before the program. Questions? Email aszabo@wiltonlibrary.org