TED-Ed: The science of macaroni salad: What's in a mixture? - Josh Kurz

The video tutorial explains how various objects, despite their differences, are made of the same basic components combined in different ways. It uses macaroni salad to illustrate the concept of mixtures, which are combinations of ingredients without changing their chemical identities. The tutorial covers three main types of mixtures: suspensions, solutions, and colloids, providing examples for each. It further explains how these mixtures can be broken down into smaller components, eventually reaching the molecular level, and discusses the need for chemical processes to separate these molecules further.

What is a mixture and how does it differ from a chemical change?

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Can you explain the three main types of mixtures mentioned in the text?

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How does the size of particles in a mixture affect its classification?

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What is the role of an emulsifier in creating a colloid?

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What happens to the chemical identity of molecules when they are mixed in a salad?

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