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Does Paper Really Come From Trees?

Yes, paper really does come from a tree!

To make paper from trees, the raw wood must be turned into "pulp."  The wood pulp will look a lot like soup but is made up of cellulose wood fibers, ligin, water, and chemicals.  Wood can be turned into pulp in a couple of different ways.  Mechanical pulping involves using machines to grind wood chips into pulp.  This process results in a weak paper most suitable for newsprint, phone books, and etc.

The most common  method of turning wood into pulp is chemical pulping, better known as "kraft."  Chemicals are used to separate ligin from cellulose fibers and leaves a pulp mixture that makes a stronger paper. 

Because the pulp is so watery, a process of separating the water from the cellulose fibers is necessary.  Several processes including drying, heating, and rolling are involved in the final steps to make paper from pulp.

Source:  Wonderopolis