Check out this resource: Preschool STEM curricular on the STEM Nexus from the Massachusetts Department of Higher Education: http://www.mass.edu/stem/initiatives/otherstateearlycurricula.asp
Links to lots of good stuff, but I’m particularly excited about the Preschool STEM teaching units from the Mass Audubon Society which includes 20+ pages worth of curriculum ideas on EACH of these 4 topics: Our Feathered Friends, Digging into Soil, Tree-mendous Trees and Wicked Cool Weather.
And I’m also really excited about the CEES Curricula on
Each of these booklets contain ideas for art projects, stories and games, finger plays and songs, dramatic play, math focus, outdoor play, links to online resources, and tips for teaching concepts to preschool aged children.