Experiment to show where air may be found, Science

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TO SHOW WHERE AIR MAY BE FOUND

1) Plunge a narrow-necked bottle, mouth down into ajar of water. Slowly tip the mouth of the bottle in the direction of  the surface of the water. What do you observe? Was the bottle empty?

2)  Place a lump of soil in a container of water and observe. Did you see anything that might show the presence of air in the soil?

 


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