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In this fun chemistry activity (page 3 of the pdf), learners use cabbage juice to determine the pH of several substances.

In this chemistry meets cooking activity, learners compare the stability of egg white foams with various additives.

This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

In this chemistry activity (page 5 of the PDF), learners make an acid-base indicator using cabbage. Learners then explore how various subtances react with this indicator.