we have choose to introduce the concept of organic compound using this method.
we have listed few things on blackboard as follow:
coal alcohol carbon dioxide gas
limestone petrol eggs
marble newspaper soda baking
flour cotton shirt calcium cyanide
teacher should:
1) ask students to identify which of the things above are originate from living things(plants and animals) and non-living things(minerals)
2) ask students to classify them into two group with distinct differences
3) leading questions to define the characteristics of the things in each group
4) guide students to find the similarities and differences between them
5) tell the students the exact concept of organic compound based on discussion.
organic compound: organic compounds are all compounds of carbon except for oxides of carbon, bicarbonates and carbonates of metal ions and metal carbides and cyanides and originated from living things such as plants and animals.
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