This document describes different types of landforms including rivers, lakes, oceans, waterfalls, islands, canyons, mountains, volcanoes, and plains. Rivers run downhill and can power mills. Lakes are large bodies of water surrounded by land that are good for fishing. Oceans take up most of the Earth and are salty. Waterfalls occur when there is a sharp drop off from a river. Islands can be reached by boat as they are surrounded by water. Canyons have very steep sides carved out over time by erosion. Mountains are the tallest landforms with snowy peaks. Volcanoes have vents that spew lava, steam, and rocks. Plains are broad and flat areas that were once under