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Exploring Materials: Liquid Crystals
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In this activity, learners discover that the way a material behaves on the macroscale is affected by its structure on the nanoscale.
Water Wire: Electricity Flowing Through Water
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In this activity on page 10 of the PDF, learners detect the amount of energy that can flow through a sodium chloride electrolyte solution with a light sensor.
Temperature Tactics
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In this activity, learners explore the devices used over time to measure changes in temperature.