Heating of water with Cobra SMARTsense

Article no. P1043769 | Type: Experiments

10 Minutes
30 Minutes
grades 7-10


The heat as the internal energy of a quantity of matter can be changed by the effect of a power over a certain period of time. This energy can be simply understood as the product of the amount of material and the temperature. So the relation between duration of a heating process is proportional to the heated amount of substance, if the supplied power and the temperature difference is equal.


  • Particularly 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
  • Increased motivation of students by using the intuitive measureAPP
  • Increase of media competence


The students heat different amounts of water with an electric heating coil and measure the temperature increase as a function of time.

Learning objectives

Students learn that the time required to heat water by a certain temperature is proportionally dependent on the amount of water to be heated.

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