From Rags to Wood: teacher key

How Paper Is Made, grade 8 edition, written for 8th grade. A sheet by hand or by machine, the oldest papyrus, and how paper moved from rags to forests.

Read the book. Print this page for the key.

Questions and answers

1. What do the oldest papyrus documents describe?
   • Work on the Great Pyramid of Giza (answer)
   • A war
   • A recipe
2. What made European mills start up in the 15th century?
   • Movable type printing raised demand (answer)
   • A new king
   • A flood
3. Why does mechanical pulp make weak paper that yellows?
   • It keeps lignin and has short fibers (answer)
   • It is too wet
   • It has no fibers
4. Who invented newsprint in 1844?
   • Cai Lun
   • Charles Fenerty (answer)
   • Justus Claproth
5. What does reforestation mean here?
   • Replanting forests after cutting (answer)
   • Cutting forests
   • Selling wood

Words

• cellulose: plant fiber stuff
• papyrus: old reed paper
• newsprint: newspaper paper
• reforestation: replanting forests