World Lighthouses
1 / 15Which famous Scottish family of engineers designed and built most of Scotland's lighthouses over four generations?
About World Lighthouses
Famous lighthouses and maritime navigation This free general knowledge activity is built for older adults who want clear, readable browser-based games without sign-up friction.
General knowledge games mix recall, reasoning, and pattern recognition to keep each round varied and mentally engaging. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About World Lighthouses
World Lighthouses is a free general knowledge quiz with 15 multiple-choice questions with a mix of 6 easy, 5 medium, 4 hard questions. Famous lighthouses and maritime navigation 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. The Lighthouse of Alexandria, one of the Seven Wonders of the Ancient World, was located in which country?
Answer: Egypt
The Pharos of Alexandria was built on the island of Pharos in the harbor of Alexandria, Egypt, around 280 BC. Standing over 330 feet tall, it was one of the tallest structures in the ancient world.
2. What type of light source did early lighthouses use before electricity?
Answer: Candles and oil lamps
Early lighthouses used open fires, candles, and oil lamps as light sources. The light was amplified using mirrors and later Fresnel lenses. Whale oil, kerosene, and eventually gas were used before electrification.
3. Which French physicist invented the lens system widely used in lighthouses to focus and intensify light?
Answer: Augustin-Jean Fresnel
Augustin-Jean Fresnel invented the Fresnel lens in 1822. This revolutionary lens design used concentric rings of glass prisms to capture and redirect light that would otherwise be wasted, dramatically increasing a lighthouse's visibility.
Frequently asked questions
How many questions are in World Lighthouses?
World Lighthouses 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 World Lighthouses free to play?
Yes. The entire SeniorBrainGames catalog — including World Lighthouses — 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 World Lighthouses take?
Most players finish World Lighthouses 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 World Lighthouses?
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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