During his time Democritus came with the idea of the atoms. According to Democritus:
1.All matter consists of invisible particles called atoms.
2. Atoms are indestructible.
3. Atoms are solid but invisible.
4. Atoms are homogenous.
5. Atoms differ in size, shape, mass, position, and arrangement.
6.Solids are made of small, pointy atoms.
7.Liquids are made of large, round atoms.
8.Oils are made of very fine, small atoms that can easily slip past each other.