How does “freeze-drying” work? (task)
The task of finding out how freeze-drying works is presented as a contextual scenario.
Incremental hints for answering this task are available under “How does ‘freeze-drying’ work? (hints for printing)” or “How does ‘freeze-drying’ work? (interactive hints)” on the media portal of the Siemens Stiftung. The worksheet includes QR codes for using the interactive hints online and viewing the solution.
Explanations of the experiment for the teacher are found in “How does ‘freeze-drying’ work? (teacher information).”