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The pH value of various soils with Cobra SMARTsense

The pH value of various soils with Cobra SMARTsense

Item no.: P1521069

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Knowledge of the soil is of great importance for agriculture. In order to familiarize the students with this topic, two sub-experiments are used to show, on the basis of pH determinations, how different soils are (sub-experiment "Characteristic pH values of soils") and how great the differences are even within a soil (sub-experiment "Soil profile").


  • experiment is part of a complete solution with numerous experiments in the field of ecology
  • Measurements possible indoors and outdoors, for mobile use
  • Especially understandable and didactically prepared description of the experiment (relevance to everyday life, etc.) including protocol questions.
  • Future-oriented teaching: Integration into digital science lessons with tablets or smartphones.
  • Increased motivation of students by using the intuitive measureAPP.
  • Increased media competence.


  1. taking soil samples
  2. recognise soil profiles
  3. pH measurement

Learning Objectives

  • Soil fertility
  • Soil profile
  • Soil horizon
  • Soil sample
  • pH determination
  • buffer capacity of soils

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