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This activity was designed for blind learners, but all types of learners can use it to investigate heterogeneous and homogeneous mixtures and solutions, identify the differences, and explore the conce

This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

In this activity, learners are challenged to lift a floating ice cube out of a glass of water using just one end of a piece of string.