Democritus made the claim that

Question

Everything in the Universe was made up of fire, water or wind.

Everything was made of tiny particles he called atomos.

Answer 1

These particles were indivisible and indestructible.

These particles were constantly moving in empty space, which he referred to as a void.

Different arrangements and combinations of these particles gave rise to the various substances and objects in the universe.

Democritus' atomic theory was a precursor to modern atomic theory and had a significant influence on later philosophers and scientists, such as Epicurus and later, John Dalton.