Here's the quick breakdown of what happens when you put sugar in lemonade:

1. Dissolving: The sugar crystals are solid. When you add them to the liquid lemonade, the water molecules surround the sugar molecules.

2. Breaking Bonds: The water molecules pull apart the sugar molecules from each other, breaking the bonds holding the sugar crystals together.

3. Mixing: The sugar molecules become evenly distributed throughout the lemonade, forming a sugar-water solution.

It happens so fast because sugar is very soluble in water!