NCES.3.E.2 - Compare the structures of the Earth's surface using models or three-dimensional diagrams.
- NCES.3.E.2.1 - Compare Earth's saltwater and freshwater features (including oceans, seas, rivers, lakes, ponds, streams, and glaciers).
- NCES.3.E.2.2 - Compare Earth's land features (including volcanoes, mountains, valleys, canyons, caverns, and islands) by using models, pictures, diagrams, and maps.