* Heterogeneous mixtures have components that are not evenly distributed throughout the mixture. You can usually see the different parts.

* Homogeneous mixtures have components that are evenly distributed, and you can't easily distinguish the different parts.

When you look at a powdered drink mix, you can often see different colored particles, crystals, or clumps. When you mix it with water, the particles will initially clump together before dissolving. This uneven distribution of components indicates a heterogeneous mixture.

However, once the drink mix is fully dissolved in water, the resulting solution becomes homogeneous. The sugar, flavoring, and other components are now evenly distributed throughout the water, and you can no longer see the individual parts.