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Conductivity Meter
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In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.
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.
Make Your Own Batteries!
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This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.
Insulators and Conductors
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In this activity, learners explore the concept of conducting or insulating electricity.