Thermal expansion is the tendency of matter to change its shape dimensions, density in response to a change in temperature.
The following are applications of thermal expansion in various matter.
- Solids
- The principle of thermal expansion is used in thermostat to regulate the temperature of heating device e.g Electric pressing Iron.
- Rivets are used to hold steel plates together very tightly.
2. Gases
- Hot-air balloons are an application of thermal expansion
- Gases turbine
3. Liquids
- Engine Coolants
- Volume of thermometer
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