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Elliot and the Surfing Scientist: Red cabbage pH experiment

TLF ID M015755

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice indicates if a liquid is an acid or a base.

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Educational value

This resource is available on ABC Splash

Year level

4; 5; 6

Topics pH Metals Data analysis Data representation Materials Data collection Glass Properties Communication skills Report writing Experiments Discussions (Texts) Fibres (Materials) Curiosity Scientific inquiry Observations (Data) Text types Predictions (Science) Vocabularies Lifestyles Patterns Research questions

Learning area

Science

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Contributor

Name: Australian Broadcasting Corporation
Organization: Australian Broadcasting Corporation
Description: Creator
URL: http://www.abc.net.au

Name: Education Services Australia
Organization: Education Services Australia
Description: Data manager
Address: VIC, AUSTRALIA
URL: http://www.esa.edu.au/

Publisher

Name: Australian Broadcasting Corporation
Organization: Australian Broadcasting Corporation
Description: Publisher
URL: http://www.abc.net.au

Resource metadata contributed by

Name: Education Services Australia Ltd
Organisation: Education Services Australia Ltd
Address: AUSTRALIA
URL: www.esa.edu.au

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Generic

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Video

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Metadata © Australian Broadcasting Corporation and Education Services Australia Ltd 2012 (except where otherwise indicated). Digital content © Australian Broadcasting Corporation 2012 (except where otherwise indicated).