In Science this week we looked at some of the claims made by some toothpaste companies such as Colgate MaxWhite: A New Dimension of Whiteness for a Spectacular Smile and Macleans Ice Whitening: Visibly White Teeth and Whitening that lasts longer, Removes stains without tooth enamel.
We devised a question for our investigation:
Are expensive whitening toothpastes more effective than normal toothpastes?
Read a Newspaper report by one group:
sounds cool.you can use them to brush your teeth.
ReplyDeleteby Yzabelle :]
St.Kentigern's School
I'm Ella from St. Kentigerns School. I agree with Yzabelle. You CAN use them to brush teeth. Sounds pretty cool I think.
ReplyDeleteWe really enjoyed this lesson, the next day we had to design a poster recommending the most effective toothpaste.
ReplyDeleteBy Luke & Luke