Evaporation with Cobra SMARTsense

Principle

The transition from the liquid to the gaseous state requires an additional energy, the heat of vaporization. This energy is extracted from the environment so that it cools down. This effect is also called evaporative cooling.

Benefits

• 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

Tasks

The students observe the drying process of water and spirit on paper and then measure the temperature during this process.

Learning objectives

The students learn that the evaporation of a liquid withdraws thermal energy from its environment.