What is the difference between a solution and a suspension?

the difference between a solution and a suspension is in the particle sizes involved

Solutions are colorless, and the particels in them are microscopic .

Suspensions have colors, according to the particels in them. The particles in a suspension are bigger.

Hope it helped,

BioTeacher101

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added