We have been learning how important it is to take care of our teeth. Teacher had an enormous toothbrush and set of teeth and she showed us how to brush our teeth correctly. We learned that acid is not good for our teeth so we decided to test some drinks and other things to see if they had acid in them. To do this we needed some PH neutral water. Teacher put some chopped up red cabbage in a bowl and added some boiling water. When it cooled we were left with purple water. Then we tested some drinks and other things to see if they had acid in them. If the drinks turned pink after mixing them with the cabbage solution we knew that they contained acid. It's ok to drink these drinks accasionally but not too often as acid is very bad for our teeth and we must make sure to brush our teeth after drinking them. We found that orange juice, apple juice, lemon juice, coke and vinegar all contain acid and turned the solution pink. Bread soda and washing-up liquid are alkalis and turned the solution blue/green.
Have a look at this presentation for Junior and Senior infants http://www.dentalhealth.ie/download/pdf/toothday_2010_teachers_presentation_final_221110.pdf
or other publications on http://www.dentalhealth.ie/publications/list/toothday/
Here's another great link. This one is to the video story: Dr. Rabbit and the Legend of Tooth Kingdom http://www.colgate.com/app/BrightSmilesBrightFutures/US/EN/Kids/LegendVideoChapters/Chapter_01.cvspoChapters/Chapter_01.cvsp
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