Mixing a solid (juice powder) with a liquid (water) forms a solution when the powder dissolves evenly. This is an example of a physical change because no new substance is formed.Taku created a mixture — specifically, a solution — when he combined water and juice powder. In this mixture:Water is the solvent (the substance that dissolves the powder)Juice powder is the solute (the substance being dissolved)The result is a homogeneous mixture (same throughout), called a solution