EasyScience
"I am the smallest building block of all ordinary matter. I am mostly empty space yet I feel solid. Split me and you release enormous energy. What am I?"
Answer
An Atom
Explanation
Atoms are the basic units of matter. An atom is over 99.9% empty space — the nucleus is tiny relative to the electron cloud. Nuclear fission, splitting heavy atoms, releases the enormous binding energy of the nucleus.
This is an easy riddle in the Science category — Riddles about physics, space, biology and the laws of the universe.
Tags:sciencephysicschemistry
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