helen studied physical geography with great interest .comment
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Geography was one of Helen’s favourite subjects. Miss Sullivan would take Helen to an old lumber-wharf on the Tennessee River where she taught her geography. They built dams of stones and small rocks, made islands and lakes, and dug river-beds, etc. Thus Helen learnt all the concepts of geography playing with Miss Sullivan. Miss Sullivan described the geographical terms and concepts such as the great round world with its burning mountains, buried cities, moving rivers of ice, and many other things to Helen. She made raised maps in clay, so that Helen could feel the mountain ridges and valleys, and feel with her fingers the serpentine course of rivers. Miss Sullivan also explained to Helen the division of the earth into zones and poles, which initially confused her. In order to explain the equator, the poles and the temperate zones, Miss Sullivan would use strings around the globe.