結果 : how do you explain air pressure to a child
6:44

What is Air Pressure: Egg Demonstration

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Air Pressure,Atmospheric Pressure lesson for kids

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Science Experiments - To show that air exerts pressure

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Kids STEM | Air Pressure Experiment

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What is Air Pressure: Balloons

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[Why series] Earth Science Episode 3 - High Air Pressure and Low Air Pressure

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Easy Air Pressure Experiment - Science With Kids

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