Do You Know Your Bubbles? pH scale and soaps web activity

What is the pH scale and how does it relate to household products? This web activity, suitable for whiteboard presentation or group or individual classwork includes: a fun drag and drop activity about the pH of products you might find in the home, information on soap-making and a great little animation showing how surfactants in shower gel remove oily dirt from the skin.

Teachers’ Notes for this resource may be found at:

This is just one section of the CATIE Faces of Science educational website for Key Stages 3 and 4 Science.


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Created: Nov 19, 2015

Updated: Feb 22, 2018


pptx, 1 MB


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