* Solutions are homogeneous mixtures. This means the components are evenly distributed throughout the mixture. You can't see the individual particles of the solute (the substance being dissolved) with the naked eye.
* Pepper does not dissolve in water. Pepper particles are too large and non-polar to dissolve in water, which is a polar solvent. Instead, the pepper will settle at the bottom or float on the surface, creating a heterogeneous mixture.
In summary:
* A solution is a homogeneous mixture where the solute dissolves completely in the solvent.
* Pepper and water create a heterogeneous mixture because the pepper does not dissolve.
