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Lesson Plans


Re: Plaster problems

[ Thread ][ Subject ][ Author ][ Date ]
Artemis420
Sat, 26 Jun 1999 02:17:19 EDT


In a message dated 6/25/99 6:02:34 PM EST, Robben1713 writes:

<< Last year we did a sandcasting project....it was fun....but it didn't work
very well. The students constructed boxes/molds out of cardboard. That
took
too long and they had a ton of leaks in them even though they were covered
in
miles of duct tape. I realize now I should have lined the boxes with
plastic
bags. >>
You can use plastic bowls for small projects.
You can use wooden frames lightly knocked together on a solid surface for
shallow ones.
Artie