The movement of a glacier changes the land beneath it. Although glaciers work slowly they are a major force of weathering (the breaking down of rock), erosion (the movement of sediment) and deposition (the laying back down of moving rock and sediments). A moving glacier will gouge out and scratch the land beneath it. A glacier will also deposit loose rock on landscapes. These deposits can form large mounds of loose rock called moraines. As a glacier melts it can form a lake. These lakes are known as kettles. The information below will describe how glaciers affected the land of Connecticut.
TO THE RIGHT: Glaciation is also partly responsible for the modern day version of Long Island Sound (it used to be a freshwater lake). Long Island, Martha's Vinyard and Nantucket are part of a terminal moraine, which is the farthest place that a glacier traveled before it melted.
Fun link: Click here to experiment with how glaciers change land.