Inventions That Changed the World 

“From game-changers to life-savers—how many do you really know?” 
Challenging, insightful, and perfect to close out the year. 

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Trivia Questions 

1. Who is credited with inventing the first practical light bulb? 
   a) Nikola Tesla 
   b) Alessandro Volta 
   c) Thomas Edison 
   d) Michael Faraday 
    

2. The invention of penicillin in 1928 is attributed to: 
   a) Alexander Fleming 
   b) Edward Jenner 
   c) Louis Pasteur 
   d) Marie Curie 
    

3. What ancient invention, first used in Mesopotamia, revolutionised transport and machinery? 
   a) Pulley 
   b) Wheel 
   c) Chariot 
   d) Sledge 
    

4. The internet was originally developed by the U.S. military as a project called: 
   a) WebNet 
   b) ARPANET 
   c) NetDefense 
   d) InfoStream 
    

5. What Australian invention changed household safety by detecting smoke early? 
   a) The circuit breaker 
   b) Electric kettle 
   c) Dual-flush toilet 
   d) Photoelectric smoke detector 
    

6. What device, patented by Tim Berners-Lee in 1989, allowed the World Wide Web to function? 
   a) Hyperlink processor 
   b) HTML 
   c) Domain Name System 
   d) WebSocket 
    

7. The printing press, credited with spreading knowledge faster than ever before, was invented by: 
   a) Johannes Gutenberg 
   b) Leonardo da Vinci 
   c) Isaac Newton 
   d) Galileo Galilei 
    

8. Which energy innovation became widely used after the discovery of the alternating current system? 
   a) Battery power 
   b) Steam turbines 
   c) Electric power grids 
   d) Direct current motors 
    

9. What popular communication tool was invented in 1876 and transformed global interaction? 
   a) Telegraph 
   b) Radio 
   c) Telephone 
   d) Television 
    

10. Which invention, first used in the 1920s, became essential for protecting workers' lungs in mining and construction? 
    a) Hard hat 
    b) Safety harness 
    c) Respirator mask 
    d) Steel-capped boots 

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✅ Trivia Answers – Inventions That Changed the World 

1. c) Thomas Edison 

2. a) Alexander Fleming 

3. b) Wheel 

4. b) ARPANET 

5. d) Photoelectric smoke detector 

6. b) HTML 

7. a) Johannes Gutenberg 

8. c) Electric power grids 

9. c) Telephone 

10. c) Respirator mask