This demonstration illustrates the presence and importance of chemistry in everyday objects, including our food. It is an interesting way to start the discussion of acids and bases or to connect acids and bases to the pH scale and extend the discussion to acid-base indicators. Red cabbage is an example of a naturally-occurring acid-base indicator. Many household products are acids or bases and often products that are used for similar tasks have similar pH values.
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Categories: Lab/Student Activity
There are a number of birds and other species in nature that use the principles of flight and there are specific physical features that enable these species to fly. Humans have created ways to... read more