We discovered that this means the dye changes colour depending on whether something is an acid or an alkaline.
We had so much fun adding all sorts of things to our indicator dye.
We mixed different things and saw different reactions.
I LOVED listening to the excitement as the children did this experiment and seeing their faces as they made all sorts of discoveries. I also loved that they could explain things.
I have captured some of this session on video- while the quality of the movie isn't great, it is SO worth listening to hear the fantastic conversations that were going on in our room during this lesson.
The children discovered that acids turned the indicator dye bright red and alkaline turned it blue. They also discovered that they could make chemical reactions in their cups!
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