Science blog returns

Saturday, January 22, 2011

Another new Question has been posted!

Another question has been posted for Monday Jan 14, but you can start it now!
Post your answers here.

 This is the points ladder, remember a prize (its educational!) is given to the winner at the end of this term.


Total as of Monday Jan 24 2011
Ritish 10  Points 
Felix 8 Points
Kim 7 points

Lois  6 Points
Lea 5Points
Karlo 1 Point

Mr A

3 comments:

  1. Can germs live on money?
    yes because bacteria is everywhere.

    What is the name of the scientist studying whether germs can live on money and where is this scientist doing this research?
    Frank Vriesekoop, and he is doing this research in Australia.

    What 10 countries did this scientist study the currency of?
    China, Mexico, United Kingdom, Nigeria, Ireland, United States, Australia, New Zealand, Burkina Faso, Netherlands.

    Which country had the cleanest currency?
    Australia

    What type of germ is most frequently found on currency, where does it come from?
    E. coli

    What problems can these germs cause?
    Food Poisoning

    What sort of material should currency notes be made of and why?
    Polymer, because germs seem to have a harder time staying alive on polymer surfaces. The surface of polymer under the microscope sppeared smooth, so the basteria may have a hard time sticking to the smooth surface

    ReplyDelete
  2. Fantastic answers! You get all 7 points Kim.
    Mr A

    ReplyDelete