Some lemonade is a mixture of lemon juice, water, and sugar.
You know there’s sugar in lemonade, because the drink is sweet. But you can’t see the sugar. Why not? Because the sugar is completely dissolved in the liquid.
Lemon juice, water, and sugar form a solution. A solution is a mixture in which the different kinds of matter are spread out evenly. In lemonade, water is called the solvent. Sugar and lemon juice are solutes. A solute is stuff that dissolves in a solvent. The solvent is often a liquid, like water. Say a solution consists of different amounts of two liquids. The solvent is the liquid that there’s more of.