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The composition of soils is defined by the grain size composition of the mineral soil substance and the associated tactile properties. Depending on the grain size composition, soils can store different amounts of water, have a different nutrient content, are difficult or easy to work and are rooted differently by plants.
The pupils document different areas and their uses in the school garden and / or the school area. They discuss the different functions that the soil fulfils in these areas and the uses that take place or could take place.
Soil is one of the most important bases of life for humans, animals, and plants. Without soil, life on earth as we know it could not exist. Soil has a wide variety of functions, such as habitat functions and regulatory functions in the energy, water and material balance, filter, production, and utilisation functions for the supply of society, and carrier, storage, information, and cultural functions.
Nature knows no waste. With this experiment, the pupils learn about organic waste as valuable raw materials and basic principles of the circular economy.
The pupils learn about different types of soil and their composition by means of the finger roll test.
The term soil refers to the animate outer layer of our earth’s crust. It is an important part of our environment and the basis for life on Earth.