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Frozen Fruit
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In this "Sid the Science Kid" activity from Episode 108: My Ice Pops, learners observe reversible change while thinking about ways to make ice melt.
Build Your Own Solar Oven
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Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.
Investigating and Using Biomass Gases
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In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.