Curated OER
Tree I.D.
Students explore various tree species. In this tree species lesson, students collect leaves on nature walks and use Internet sources to identify the trees that the leaves belong to. Students graph their data as well.
Curated OER
Categorizing Celestial Objects
Students work together to develop a classification system for planets. They take a class vote and read an article about an astronomer's classification system. They write an essay on how scientists make decisions for the general public.