Tooth Decay Investigation: The results are in…

After leaving the eggs soaking in the four different liquids over night the children made their observations this afternoon. The vinegar decayed the egg the most by entirely disintegrating the shell leaving us with a squishy egg, the orange juice left a slimy skin all over the shell and the coke and milk had little effect. This led to very interesting discussion and some good ideas for their conclusions. The children then used their tooth brushing skills to clean the eggs again. What an interesting and fun experiment, fantastic work Year 3!!

 

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