!In Science we have been learning about the different types of teeth and their functions. We thought about why animals have different teeth depending on their diet.
We planned an investigation to simulate what effect different liquids could have on our teeth. Rather than using our teeth we used egg shell which has a similar composition to tooth enamel. We chose to test immerse our eggs in water, vinegar, coke, diet coke, orange juice and milk to see what effect this would have on the colour of the eggshell. We talked about how to make this a fair test and how we might measure any changes that we saw. We made predictions about what we thought would happen but were surprised by quite how much of an effect the vinegar (acid) had upon the eggshell (see photos below)!
We learned lots from our experiment, not least that we should have kept them in the fridge so that the milk didn't curdle!
Luke also brought in what we think is a Megalodon tooth!
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