A4 Evaporation heat (teacher instructions) © Siemens Stiftung 2015 CC BY-SA 4.0 international

A4 Evaporation heat (teacher instructions)

Text

Experimentation instructions for Experimento | 10+:
Background information on the content and practical information on conducting the experiment "Evaporation heat – How to cool with heat". This experiment comprises two subexperiments.

English, German
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PDF (258.1 kByte) DOC (1.0 MByte)
2018-11-20
The materials supplied allow eight groups of students to conduct the experiments simultaneously. If all subexperiments are conducted in the sequence below, they can be used to complement a learning unit on evaporation heat and “evaporative cooling." This provides a good basis for further study of general thermodynamics down to the particle level.

The experiment comprises two subexperiments:
• Why do you freeze in wet clothing?
• How does a wet cotton pad cool you?

Notes:
• Observe the safety information in the instructions as well as the applicable safety guidelines for your school.
• All materials mentioned in the instructions will have to be purchased directly from commercial sources.
There are no other media directly related to this file.
Experiment
Biology; Chemistry; Physics; Technology
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school
Condensation (physics); Energy; Evaporation; Heat pump; State of aggregation; Temperature (general)
Siemens Stiftung Media Portal
Dr. Lutz Stäudel, Prof. Dr. Rita Wodzinski for Siemens Stiftung
© Siemens Stiftung 2015
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