This section is about the properties of bodies at different temperatures.

The topic is divided into the following subchapters:


Gay Lussac

Particle Model

Explanation of the processes in a body with the help of the particle model.


State of matter

Analyzing the processes in a body when changing its temperature.


Thermal expansion

Experiments in which a change in length or volume due to the change in temperature is observed.

Gay Lussac

Ideal gas law

Analyzing of the relationships of pressure, volume and temperature with closed gases.

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Heat transfer

Transfer of heat through conduction, convection or radiation.

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Heat engine

Experiments on the functioning of steam engine and gasoline engine