Final answer:
The property that shows sugar easily dissolves in water is called solubility, a physical property that measures the ability of a substance to dissolve and form a solution.
Step-by-step explanation:
The property demonstrated by the fact that sugar easily dissolves in water is solubility. Solubility is a physical property that refers to the ability of a substance to dissolve in a solvent to form a homogeneous mixture known as a solution. In the case of sugar and water, sugar is the solute and water is the solvent. Sugar's solubility in water is attributed to the unique structure of water molecules, which are polar and can interact with the sugar molecules, allowing them to disperse throughout the liquid.
Understanding solubility is crucial in many areas of science, especially in Chemistry. When sugar dissolves in water, it showcases the interaction between solute and solvent particles. Factors such as temperature, agitation of the solution, and surface area of the solute can influence the rate at which sugar dissolves. For instance, heating a saturated sugar solution allows it to dissolve more sugar, which is depicted in solubility versus temperature curves for various compounds.