 ##  [Physical Weathering](/physical-weathering) 

  ##  [Physical Weathering](https://earthenviro.quantumdictionary.io/physical-weathering-1) 

  

 [![Earth & Environmental Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Earth%20%26%20Environmental%20Sciences.png.webp?itok=8-8yK_gA)](/topic-specific-dictionaries/natural-formal-sciences/earth-environmental-sciences)

- Natural &amp; Formal Sciences -

**Earth &amp; Environmental Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A meteorology concept defining atmospheric processes and variables that produce weather. It governs how pressure, temperature, moisture, and wind interact to form observable conditions and events. It does not ensure precise local prediction without adequate observations and model skill evaluation.



 

 

 

 

 





 

 



 ##  [Physical Weathering](https://natural.quantumdictionary.io/physical-weathering-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural &amp; Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The fragmentation and disintegration of rock and regolith into smaller pieces by physical forces (for example freeze–thaw, thermal expansion, abrasion, salt crystallization) without primary chemical alteration of mineral composition.