Surface of rapidly boiling water in an erlenmeyer flask

Blue, Water, Clear, Science, Outside, Closeup, Fire, Education, Table, Student, Black, Oxygen, Equipment, Technique, Flame, Bench, Highschool, Class, University, Method, Lighting, Chemistry, Classroom, College, Lab, Laboratory, Scientific, Flask, Bubbles, Professor, Teacher, Dripping, Supply, Blurredbackground, Mesh, Boiling, Propane, Burner, Condensation, Refraction, Tutorial, Howto, Heated, Erlenmeyer, Proper, Bunsen, Ringstand