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Miyauchi, Takuya; Kamata, Masahiro – Journal of Chemical Education, 2012
An educational demonstration shows the combustion of carbon to carbon dioxide and then the reduction of carbon dioxide to carbon. A melee diamond is the source of the carbon and the reaction is carried out in a closed flask. The demonstration helps students to realize that diamonds are made of carbon and that atoms do not change or vanish in…
Descriptors: Chemistry, Grade 8, Science Instruction, Middle School Students