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Plugged in to CO2
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In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.
Neural Network Signals
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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.
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.