This week's podcast was made to describe how we made chalk. The instructions are in NZ School Journal Pt 02 No. 4 2000. You just need some plaster of paris, some water, a plastic bag and some food colouring. If you want to try it at home we can lend you the school journal. Leave your request in the comments. School Journals are a wonderful resource.
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5 comments:
Very, VERY cool!
Excellent instructions. They are so clear the science clubbers at my school will easily be able to follow the directions to make their own.
Very cool. I'll be showing the science club kids at school.
I would like to try make chalk one day Good work
Georgia
Here is a webite that gives you written instructions...
How to make chalk
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