Fen Drayton School
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Class 4 have been experimenting on  teeth and eggshells to find out what protects teeth best from
acid attack: nothing, toothpaste, mouthwash.  Above are some pictures taken during the experiments.
Setting up eggs
Setting up teeth
teeth in coca cola after 11 days
tooth in water after 11 days
teeth in orange after 11 days
tooth in coffee after 11 days
14b_teeth expt_instructions.JPG
Click here to see the results
of the egg experiment.
14a_egg expt_results.JPG
Click on the teeth               to read about Zac and James’ experiments and what they found out...
The teeth experiments.doc