Examples of Physical Weathering
http://www.classzone.com/books/earth_science/terc/content/visualizations/es1201/es1201page01.cfm?chapter_no=visualization

Inc. Center for Earth and Space Science Education at TERC


This site provides six photographic examples of physical or mechanical weathering. Included are three examples of frost wedging and three examples of root wedging. Clicking on each example yields a larger view.

This resource is referenced here: