children elementary school boys conduct chemical experiments with colored liquids glass flasks scientific concept slow |
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| navigate by keyword : analyzing aspirations biology biotechnology boy caucasian chemical chemist chemistry child childhood children discovery education experiment expertise fun glass happy healthcare holding hospital kid knowledge lab laboratory learn lesson liquid little male medical medicine microscope people person pharmacy pupil research school schoolboy science scientific scientist student study test tube white young |
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| Children, elementary school boys, conduct chemical experiments with colored liquids in glass flasks, a scientific concept. 4k slow-motion shooting |
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