oge lesson 14 inventions poll

The gunpowder invention led to the creation of many great empires. Who originally invented it?

• The Chinese

• The Japanese

• The Spanish

The printing press invention gave information to a lot of people. When was it invented?

• 1014

• 1440

• 1510

Modern time zones are essential for successful business and travel. How many time zones are there in the world?

• 12

• 24

• 26

Penicillin was the first drug that cured many serious illnesses. What was penicillin used to develop?

• vaccines

• painkillers

• antibiotics

Everyone uses mobile phones for communication today, but when they first become available?

• 1950s

• 1960s

• 1980s

Tim Berners-Lee created a modern system for communication, learning and entertainment. What was it?

• television

• the World Wide Web

• radio