The experiment
We used 4 types of chemicals in our experiment. Lugol, Benedict, Sudan, and Biuret. The Lugol turns into a brown/yellow to a black/purple color when reacting to starch, Benedict turns from a blue to orange when reacting with sugar and heat, Sudan turns into a bright red when reacting to lipids and fat, and Biuret turns from a blue to a violet color when reacting to proteins.
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The color changing bag
Sharing our idea
We will tell people in our community how to make compost bins so that all the food waste that you collect with be out of our landfills, and the compost will be safe from recyclables, because of our color changing trash bag idea.