Teacher Explaining Elephants Toothpaste Experiment - 4K 影片檔

A wide over-the-shoulder of a confident high school science teacher standing at the front of the classroom, enthusiastically explaining elephants toothpaste experiment to her students. The teenagers, dressed in white white shirts, sit attentively and listen to the lesson. The teacher is wearing a white lab coat and protective glasses.Stills are available similar to this scenario.