Tuesday, 24 November 2015

Making Meringue and popcorn - Irreversible Changes

Today for our Science lesson about irreversible changes we went to the senior school kitchens. We combined egg whites and sugar and mixed them to make meringue. Please enjoy the photos showing the process, including the clean up we did afterwards.







We also made popcorn in an electric frypan so we could see the kernels popping. Mrs Black used a special camera to project the frypan onto the screen so we could see. We opened a bag of microwave popcorn to see what was inside. From that we worked out the kernels needed heat AND oil in order to pop.


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