MediumScience
"I am a sequence where each number is the sum of the two before it. I appear in flower petals, shell spirals, and pine cones. I start 1, 1, 2, 3, 5, 8... What am I?"
Answer
The Fibonacci Sequence
Explanation
The Fibonacci sequence begins 1, 1, 2, 3, 5, 8, 13, 21... Each number is the sum of the two preceding ones. It appears throughout nature — the number of petals on flowers, the spiral of shells, the branching of trees — all frequently follow Fibonacci numbers.
This is a medium riddle in the Science category — Riddles about physics, space, biology and the laws of the universe.
Tags:mathsnaturescience
✦
More Science Riddles
Keep going — other riddles in this category:
- I shine brightest in the dark. I have burned for billions of years yet you can cover me with your thumb. I am enormously far away yet I guide sailors home. What am I?
- I grow full then thin then disappear then return again. I light the night but I make no light of my own. I pull the ocean but I cannot touch it. What am I?
- Everyone sees me every day but nobody can look directly at me. I rise every morning and die every night yet I never truly disappear. What am I?
- I measure how hot and cold the world is but I never feel it myself. I rise when others suffer and fall when they are relieved. What am I?
- I attract some things and repel others. I am strongest at my ends. I have an invisible force yet I am made of metal. What am I?
- I weigh everything without opinion. I am the symbol of justice and the tool of the trader. I have two sides but I always seek balance. What am I?