This 16 page unit plan based on national science standards is a a fully integrated STEM Unit with a focus on inspiring upper elementary students to consider careers in Science, Technology, Engineering and Math. It engages students in real-world inquiry based simulations that challenge them to build a variety of complete circuits as they take on various roles in a Christmas Tree Lights factory. This unit is developed around the 5 E's lesson plan model: engagement, exploration, explanation, elab