Planning an elementary science unit has never been simpler! These twelve lessons guide young scientists through an exploration of simple machines and their many uses in the real world before asking them to apply their learning...

Young scientists use food coloring and celery stalks to determine how water travels through plants. 

A controversial construction project in South America, the Belo Monte dam, is endangering local cultures, ecosystems, and communities. High schoolers create a concept map based on an online article they read before engaging in...