Grade Level: 5th Grade
Energy and matter are both cycled through ecosystems. Food webs can be used to help trace the paths of both energy and matter as they cycle between organisms and their environment. Food webs are models that show the connections between the sun, producers, consumers, and decomposers.
Martinez, Elizabeth, "Life Science - TRACKING MATTER: Movement of Matter" (2019). Model NGSS Lessons: 4th - 5th Grade. 12.