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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.
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One week later we looked at the teeth (eggs) to find out what had happened and to see if our predictions were right.
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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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