Question

define the term thermal expansion.​

Answer 1

Answer:

expansion or increase in volume of any substance due to increase in temperature.

Explanation:

this phenomenon is due to - as we provide energy in the form of temperature the kinetic energy of molecules increase therefore they start vibrating hence leads to expansion

Answer 2

Answer:

SEE THAT BRO

Explanation:

the general increase in the volume of a material as its temperature is increased. ...

EXAMPLE OF THERMAL EXPANSION

The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, the change in size or volume of a given mass with temperature. ... Railroad tracks and bridges, for example, have expansion joints to allow them to freely expand and contract with temperature changes.

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