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What do different liquids do to our teeth (an egg!)

Our investigation was to find out what different liquids do to our teeth ( an egg). We made predictions and then watched and waited.
One week later we looked at the teeth (eggs) to find out what had happened and to see if our predictions were right.
We used a toothbrush to see if we could clean the liquid off. We were amazed at some of the results. 
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