National Park Service
Living & Non-Living Interactions
What better way to learn about ecosystems than by getting outside and observing them first hand? Accompanying a field trip to a local park or outdoor space, this series of collaborative activities engages children in...
Curated OER
Rock Cycle
Third graders identify various types of landforms of the United States. They discuss earth movements that produce geologic structures and landforms and define cycle as it relates to rocks and soil. They demonstrate the processes forming...