Action stations of the basic experiential teaching in chemistry on the topic of mixtures of substances
 The students: experience
 a sea with its waves
 a hike to Mount Etna with cows, grapes and rugged rocks
 a bubbling mountain lake
 an earthquake
 building their volcano
 the reactions of baking soda, citric acid, effervescent tablets, vinegar, dish soap and water in their volcano (spitting lava)

 Included are the story with the methodical
 Considerations and downloads.
 The story is 10 pages long.

 Funding objectives:
 Awaken curiosity and the joy of discovery
 Promote tactile, olfactory, gustatory and visual perception
 Lesson goal:
 The students should experience that different substances mixed with water lead to reactions in which carbon dioxide escapes as a gas and causes the volcano to erupt.