Fizzy water (task) © Siemens Stiftung 2017 CC BY-SA 4.0 international

Fizzy water (task)

Text

Worksheet:
Why does water spray out of a bottle of sparkling mineral water that has been shaken before it is opened? And why does sparkling mineral water in a glass bubble more vigorously if you add some salt to it?

English, German
Text
PDF (94.4 kByte) DOC (243.5 kByte)
2018-03-14
Based on experience gained during experiments, the students should find out what causes many bubbles to quickly form in the sparkling mineral water when the bottle is shaken or when salt is added. They should verify their guesses based on the experiments and write down the reasons.
Incremental hints for answering this task are available under “Fizzy water (hints for printing)” or “Fizzy water (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 “Fizzy water (teacher information).”
Worksheet (printable)
Chemistry; Physics
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school
Gas; Solution
Siemens Stiftung Media Portal
Dr. Lutz Stäudel and MediaHouse GmbH
© Siemens Stiftung 2017
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