Students discover the stories behind everyday inventions and materials, including paper, chocolate, silk, and erasers. They explain how ideas develop and discuss the role of observation and accidents in discovery.
Practice: Vocabulary, grammar, reading comprehension, and discussion.
Vocabulary: pulp, fiber, manufacture, mill.
Grammar: Use some in positive statements and any in negative statements with plural and uncountable nouns.
Word study: Practice ore, oar, oor, and our spellings in words such as explore, floorboard, and folklore.
Reading & speaking: Read about the invention and manufacture of paper; discuss paper’s uses and recycling.