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...
Curated OER
Ecology And the Conservation of Natural Resources
Students study Alfred Wegener's theory of continental drift and how the continents were connected in one large land mass called Pangaea. They examine plate tectonics and the theory that the earth's surface is composed of large moving...