Grayson · Wednesday, July 8, 2026
STEM - Science | Edible Geology
STEM - Science | Edible Geology on Wednesday, July 8, 2026 at Grayson Branch (Library). Cost: Free. Best for: preschool, school-age. Learn about the different kinds of rocks, visit our mineral "petting zoo," and then demonstrate the rock cycle by transforming chocolate into sedimentary, metam…