Limestone karstic scenery - in 60 seconds
Have you tried modelling the chemical weathering of limestone? Try the Earthlearningidea 'Karstic scenery - in 60 seconds'
This activity can be used in any science or geography lesson and leads into a detailed discussion of karstic scenery and how it develops. There are many other activity ideas related to weathering and to limestone on the website.
Earth energy / processes