NCES.EX.8.E.1 - Understand the hydrosphere.
- NCES.EX.8.E.1.1 - Identify water features on the earth's surface (oceans, lakes, rivers, glaciers).
- NCES.EX.8.E.1.2 - Compare Earth's saltwater and freshwater features (oceans, lakes, rivers).
- NCES.EX.8.E.1.3 - Understand that human health requires monitoring of the hydrosphere and stewardship (e.g. water conservation, pollution).