The well runs deep
Trivia questions and answers, drawn fresh from the well
239,118 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,118
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
What simple machine did Leonardo da Vinci draw using continuously rolling spheres to reduce friction?
Answer
Ball bearing
What was Leonardo da Vinci’s flying-screw design intended to do?
Answer
Rise vertically
Which Leonardo da Vinci invention used a conical drum to lift water?
Answer
Archimedes’ screw
What type of mechanical knight did Leonardo da Vinci design for a Milanese court spectacle?
Answer
Humanoid robot
What type of flying machine did Leonardo da Vinci design by studying birds?
Answer
Ornithopter
0 / 5
Round complete
239,118 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 was Leonardo da Vinci’s flying-screw design intended to do?
Answer
Rise vertically
Which Leonardo da Vinci invention used a conical drum to lift water?
Answer
Archimedes’ screw
What type of flying machine did Leonardo da Vinci design by studying birds?
Answer
Ornithopter
What date marked the worldwide release of Pokémon X and Y?
Answer
October 12, 2013
Who created the Pokémon franchise’s main concept?
Answer
Satoshi Tajiri
What was the name of the first Pokémon video-game release in Japan?
Answer
Pocket Monsters Red and Green