Science on Stage Europe The European platform for science teachers

Coding H2O - How to program a solar still

In this teaching unit your students learn how to test a solar still by using sensors with an Arduino microcontroller to measure its efficiency. They calculate the volume percentage of the purified water that is obtained and use different low-cost sensors to analyse the effectiveness of their designs. Depending on their skill level the students either use block programming or text programming.

The teaching unit is taken from the brochure Coding in STEM Education from the topic ‘Environment 4.0’. The complete brochure can be ordered free of charge via mail ( or downloaded. The project was proudly supported by SAP.

Authors: Beatriz Padin (ES), Elena Poncela (ES)

All additional material for the brochure can be found here.

Coding H2O (EN)
Coding in STEM Education
European Code League Flyer DE
European Code League Flyer EN

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