About Inventions and Inventors Quiz #841
Inventions and Inventors Quiz #841 was the quiz for Wednesday, October 21, 2026: 10 questions: 2 easy, 4 medium and 4 hard. Everyone who played Inventions and Inventors Quiz that day got the same quiz, and it stays here to play for 60 days.
The questions of Inventions and Inventors Quiz #841
- Which of these is credited to James Watt?
- Which of these is credited to Samuel Morse?
- Which tool used by sailors measured the angle of the Sun or stars above the horizon?
- Which of these is credited to Mary Anderson?
- Which of these is credited to Percy Spencer?
- Which of these is credited to Harry Wasylyk?
- Which aircraft made the first powered flight in Canada, in 1909 at Baddeck, Nova Scotia?
- Who is credited with making the first reliable mercury thermometer?
- Who is credited with inventing the egg carton?
- Which invention did Alexander Graham Bell first demonstrate in Brantford, Ontario, in 1876?
The answer options and the answers appear only when you play the quiz, one question at a time.
New to Inventions and Inventors Quiz? The rules, tips and common questions are on the Inventions and Inventors Quiz page.
Other days of Inventions and Inventors Quiz
- Inventions and Inventors Quiz #844, Oct 24
- Inventions and Inventors Quiz #843, Oct 23
- Inventions and Inventors Quiz #842, Oct 22
- Inventions and Inventors Quiz #840, Oct 20
- Inventions and Inventors Quiz #839, Oct 19
- Inventions and Inventors Quiz #838, Oct 18
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.