To understand that some of the dyes developed by our ancestors involved adding substances to make colour changes in the dye.
Some of the dyes used in tāniko involved adding substances to the dye to change its original colour. The following activities explore these changes.
Exploring dyes. Levels 1 and 2
Exploring dyes. Levels 3 and 4
What makes dyes used with harakeke change colour? and Using dyes to test for acidity. Levels 3 and 4
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