Experimental activities of grade 10A students in Biology Experiments on: Breath led by Serey Unn, teacher of American Intercon School, Phsar Thmey Campus

  On May 09, 2022, teacher Serey Unn led grade 10A students of American Intercon School, Phsar Thmey Campus to conduct a Biology experiment on “Breath”. At the beginning of the experiment, the teacher showed as well as described the experimental materials such as: clear lime juice, clear glass or plastic bottle, aluminum sheet, plant…