The document defines various landforms and bodies of water through definitions and examples provided by students. It includes descriptions of archipelagos, atolls, bays, capes, channels, continents, coves, equators, glaciers, islands, isthmuses, longitude, mesas, oceans, plains, plateaus, ponds, seas, swamps, tributaries, valleys, and volcanoes. Each entry provides a concise definition and sometimes additional facts provided by the named student authors.