Great Inventions that Changed the World

What had been used for navigation before compass was invented?

• wind

• mother's instructions

• stars

• nothing

Which of these people influenced the invention electricity? (choose 2 answers)

• Samuel Morse

• Benjamin Franklin

• Alexander Fleming

• Charles Babbage

• Thomas Edison

The successor of a telegraph

• Penicillin

• A train

• Compass

• A telephone

(a)   fight a huge number of bacterial infections in humans without harming the humans themselves.

By the ______ , aviation was the preferred way of getting across the US and abroad to Europe.

• 1960s

• 1970s

• 1985s

• 2000s

There is no difference between a personal computer and a mechanical one

• True

• False

The father of the Internet is (a)   (U.S. Defence Department, 1960)