Making slime using borax: Is it ok to make slime in schools using borax? I have concerns about the health effects of borax.

Making slime using borax: Is it ok to make slime in schools using borax? I have concerns about the health effects of borax.
This online resource examines issues concerning biodegradable plastic bags.
Making Polyurethane foam: Could someone please tell me where I can find instructions for a Year 11 chemistry prac for making polyurethane foam?
Science suppliers for polymer slime powder and ochre: I was wondering if you could help with sourcing some specific items for science.