The fifth graders have been investigating solar energy. Today, we conducted an experiment to learn which earth materials, dry soil, wet soil, water, or rocks, collect and store solar energy most efficiently. We first placed each cup of material in the sun for 20 minutes, then moved the cups to a shady area where we recorded the temperature every 3 minutes for 21 minutes. So…which material do you think collected and stored the most solar energy? And which material lost the most solar energy? Leave your guesses in the comments!
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