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In this quick activity about size and scale (on page 2 of the PDF), each learner will be given an image of an object and communicate with other members of the group to arrange the objects they are holding in order of size (largest objects on one end and smallest on the other). Scale ladders help kids recognize the order of magnitude of some benchmark objects and correctly arrange them in order of size. This exercise also increases familiarity with the metric system, the universal language used by scientists, and some common prefixes such as "micro" and "nano." Also relates to linked video, DragonflyTV Nano: What's Nano?
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