Lesson Plan
Macmillan Education

Christmas: #SadTree

For Teachers 6th - 12th
Christmas trees can be as large and elaborate as the tree in Rockefeller Center, or as small and understated as Charlie Brown's tree in A Charlie Brown Christmas. But where did the tradition of Christmas trees come from? An engaging...
Lab Resource
Colorado State University

How Can You Demonstrate the Different Efficiencies of Different Light Bulbs?

For Teachers 6th - 12th Standards
Need a bright idea for an engaging lab? Watch your class light up as they explore the difference in efficiency between incandescent and LED bulbs! The resource makes use of simple materials and encourages learners to infer what's...