Thursday 21 February 2013

Science

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:
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3 comments:

  1. Anonymous26 February 2013 at 11:25

    sounds cool.you can use them to brush your teeth.
    by Yzabelle :]

    St.Kentigern's School

    ReplyDelete
  2. Anonymous26 February 2013 at 11:37

    I'm Ella from St. Kentigerns School. I agree with Yzabelle. You CAN use them to brush teeth. Sounds pretty cool I think.

    ReplyDelete
  3. Class Elm1 March 2013 at 17:43

    We really enjoyed this lesson, the next day we had to design a poster recommending the most effective toothpaste.
    By Luke & Luke

    ReplyDelete

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