NCES.EX.6.E.1 - Compare structures of the Earth's surface.
- NCES.EX.6.E.1.1 - Identify Earth's land features (e.g. mountains, valleys, volcanoes, islands).
- NCES.EX.6.E.1.2 - Compare Earth's land features (e.g. mountains, valleys) by using models, pictures, diagrams, and maps.