Experimental activities of grade 10 students, subject Biology Topic: protise in fresh water Observation

On December 13, 2021, teacher Un Serey led grade 10th students of American Intercon School, Phsar Thmey Campus to conduct Biology experiment Topic: “Protise in Fresh Water Observation”. Before starting the experiment, the teacher showed as well as described the experimental materials such as: pond water, microscope, dropper tube, glass plate and thin glass. It…