At the end of this activity, students should be able to: û draw the heating curve and cooling curve for a substance and describe them in detail û show the changes in volume and density undergone by most substances during heating or cooling û explain the concept of thermal expansion of bodies and what causes it û describe the changes in the volume and density of water in the three basic states of matter, and explain why ice has a lower density than liquid water û give examples of how the knowledge of thermal expansion of bodies is applied.

Originally released by Learnetic, 2016.