Pulp, Size and Calenders: teacher key

How Paper Is Made, grade 3 edition, written for 3rd grade. How a sheet is made by hand and by machine, and why paper needs a coat of size.

Read the book. Print this page for the key.

Questions and answers

Why do mills like spruce trees for paper?
- Spruce is very tall
- Spruce has long fibers (answer)
- Spruce is soft
What makes the soft edges on handmade paper?
- A calender
- A drum
- A deckle (answer)
What does size do?
- Makes paper red
- Keeps ink from soaking in like a blotter (answer)
- Makes paper heavy
What is paper made of?
- Tiny fibers (answer)
- Tiny rocks
- Tiny shells
What do calenders do?
- Cook the wood
- Cut the logs
- Make paper smoother and flatter (answer)