a woman in black blouse and a skirt is teaching her students
a woman wearing a black blouse and skirt is teaching her students
a teacher in a black dress lectures in a large classroom in front of an illustration of an atom
a women with black dress taking class to her students
there is a lady is teaching the students related an experiment 
there is teacher is teaching inside a class room
a teacher at a blackboard talks about subatomic particles and the plum pudding model
a teacher lectures at a blackboard about atoms and their divisibility
a female college instructor gives a lecture on atomic structure
a lady is taking a class
a woman in dark clothing discusses a model of an atom to a classroom
women in black dress giving a lecture to students in a class room
a girl in a black dress is doing a lecture infront of a class about electrons
woman in black shirt is presenting the lesson on the board
a woman is in front of a classroom discussing a science concept
a girl in black  color dress wearing cloth standing speaking in front of black board to students explayning on topic discusing displaying on screen
a professor stands in front of class discussing sub atomic particles
a women taking a class to his students
a teacher in a dark tanktop and skirt is giving her classroom instruction on atoms
a teacher with a black dress is talking to students