Action stations of the basic experiential teaching in chemistry mixture on the topic of carbonic acid
 The students: experience
 the Atlantic with waves, sand, shells and stones
 how sand, shells and small stones behave in sparkling water
 a color experiment with effervescent tablets, baking soda and citric acid

 Included is the story with the methodological considerations and the download.
 The story consists of 8 pages.

 Funding objective:
 Awaken curiosity and the joy of discovery
 Promote tactile, olfactory, auditory and visual perception
 Teaching objectives:
 the students experience that shells, sand and small stones do not behave like raisins
 They experience the creation of a volcano using effervescent tablets, baking soda and citric acid