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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.
Wind Works!
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Learners will build and experiment with their own windmills made from simple household materials.
Introduction to the Scientific Method
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.