A C T I VI TI ES
Chapter 1
Before you read
1 Read the Introduction. What do you think is the greatest invention
in history? Why? Discuss your choice with other students.
2 Look at the Word List at the back of the book. Find new words in
your dictionary.
3 Find two things in the Word List that:
a use gunpowder
c travel in space
b are used inside a computer
d help people navigate
4 Can you name these people?
a the painter of the Mona Lisa
b a Greek who studied triangles
c an early Venetian traveler to China
Find out more about them from a library or the Internet.
5 In what ways has printing changed in the last twenty years? Think
about newspapers, books, and the use of printers in the home.
While you read
6 Are these statements true (T) or false (F)?
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