The well runs deep
Trivia questions and answers, drawn fresh from the well
239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,757
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
What machine did Leonardo da Vinci design with a large screw to imitate a helicopter?
Answer
Aerial screw
What mechanical component did Leonardo da Vinci study using three-dimensional rolling balls?
Answer
Ball bearing
What rotating machine did Leonardo da Vinci design to lift water from a river?
Answer
Water screw
What measuring device did Leonardo da Vinci sketch with a wheel to record distance traveled?
Answer
Odometer
What textile machine did Leonardo da Vinci design to twist fibers into thread?
Answer
Spinning machine
0 / 5
Round complete
239,757 trivia questions
Every question has an answer
1,818 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
What textile machine did Leonardo da Vinci design to twist fibers into thread?
Answer
Spinning machine
What vehicle did Leonardo da Vinci design to move by itself using wound springs?
Answer
Self-propelled cart
Which distributor released Quinceañera in United States theaters in 2006?
Answer
Sony Pictures Classics