Science & Inventions
1 / 15Discover how much you know about famous inventions, scientific discoveries, and the brilliant minds behind them.
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
Who is credited with inventing the practical electric light bulb?
About Science & Inventions
Science & Inventions is a free general knowledge quiz with 15 multiple-choice questions with a mix of 5 easy, 5 medium, 5 hard questions. Discover how much you know about famous inventions, scientific discoveries, and the brilliant minds behind them. A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. Who is credited with inventing the practical electric light bulb?
Answer: Thomas Edison
Thomas Edison developed the first commercially practical incandescent light bulb in 1879. He tested thousands of materials before finding the right filament.
2. Who invented the telephone?
Answer: Alexander Graham Bell
Alexander Graham Bell patented the telephone in 1876. His first words spoken over it were to his assistant: 'Mr. Watson, come here, I want to see you.'
3. The Wright brothers made their famous first powered flight in which year?
Answer: 1903
Wilbur and Orville Wright made the first successful powered airplane flight on December 17, 1903, at Kitty Hawk, North Carolina. The flight lasted just 12 seconds.
4. What did Alexander Fleming accidentally discover in 1928?
Answer: Penicillin
Alexander Fleming discovered penicillin when he noticed that mold had killed bacteria in a petri dish he had left uncovered. This discovery revolutionized medicine.
5. What force keeps us on the ground and was famously associated with a falling apple?
Answer: Gravity
Gravity is the force that attracts objects toward each other. The story goes that Isaac Newton developed his theory of gravity after watching an apple fall from a tree.
Things you'll learn along the way
- Albert Einstein published his special theory of relativity in 1905 and his general theory of relativity in 1915. His famous equation E=mc2 changed our understanding of physics.
- Gutenberg's movable-type printing press allowed books to be produced quickly and cheaply. It transformed education, religion, and culture across Europe.
- Marie Curie was the first woman to win a Nobel Prize and the only person to win Nobel Prizes in two different sciences (Physics in 1903 and Chemistry in 1911).
Frequently asked questions
How many questions are in Science & Inventions?
Science & Inventions has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Science & Inventions free to play?
Yes. The entire SeniorBrainGames catalog — including Science & Inventions — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Science & Inventions take?
Most players finish Science & Inventions in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Science & Inventions?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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