I'm doing that this week with my Year 8s. Somewhere kicking around there is video footage of me and ironlord doing the same reaction in his garden with icing sugar and weedkiller... it's essentially how to make a weedkiller bomb. Obviously, I don't tell the kids that, or indeed use icing sugar (the surface area is dangerously high).
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Date: 25/9/10 08:00 pm (UTC)no subject
Date: 25/9/10 09:00 pm (UTC)no subject
Date: 25/9/10 09:10 pm (UTC)no subject
Date: 25/9/10 09:12 pm (UTC)Should work with Jelly Babies, too. :D
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Date: 25/9/10 11:08 pm (UTC)One of the demos we do a few times a year, always a crowd pleaser!
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Date: 25/9/10 11:10 pm (UTC)no subject
Date: 25/9/10 11:14 pm (UTC)I thought he was being a bit careless prodding that bear into the test tube but remembering my chemistry teachers, I'm not surprised. ;o)
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Date: 26/9/10 12:24 am (UTC)no subject
Date: 26/9/10 03:10 pm (UTC)no subject
Date: 26/9/10 03:44 pm (UTC)no subject
Date: 26/9/10 04:40 pm (UTC)