Which statement describes the specific heat capacity of a substance?
the thermal energy needed to change the state of unit mass of the substance without any change in temperature
the thermal energy needed per unit mass to raise the temperature of the substance by one degree Celsius
the increase in the volume of unit mass of the substance when its temperature is raised by one degree Celsius
the total amount of internal energy per unit mass in the substance
119 exam-style questions on CIE IGCSE Physics 2.2.2a Internal energy and temperature. Each one has a worked solution and a mark scheme showing where the marks go.