Answer :
Final answer:
Conduction of heat involves the transfer of heat through a substance without the substance itself moving. Distillation is a process of purifying water through heating and condensing. The dilatation of a steel ball upon heating demonstrates physical change.
Explanation:
Conduction of heat is a phenomenon in which heat energy is transferred through a substance without the substance itself moving. For example, when you hold one end of a metal rod and heat is applied to the other end, the heat travels along the rod due to the movement of the particles in the metal.
Destilling water is a physical process where water is boiled, the steam is captured, and then condensed back into liquid form. This helps purify the water by separating it from impurities and other substances.
The dilatation of steel ball when heated is an example of a physical change. When the steel ball is heated, its particles move faster, causing them to expand. This is a reversible change as the ball will shrink back to its original size when it cools down.
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