Portrait of mixed race female teacher standing in classroom conducting a lesson
Teacher pouring chemical into test tube with his student in classroom .
Teacher pouring chemical into test tube with his student in classroom .
Teacher pouring chemical into test tube with his student in classroom .
Teacher pouring chemical into test tube with his student in classroom .
Medium shot of blond female teacher in lab coat and curious schoolchildren looking at chemical reaction in classroom
Portrait of happy mixed race female teacher standing in classroom with books, children in background
Portrait of mixed race female teacher standing in classroom asking questions during lesson
Portrait of happy mixed race female teacher standing in classroom with laptop children in background
female teacher in classroom character
female teacher in classroom character
Elementary School Science Classroom: Teacher Explains Chemistry to Diverse Group of Children, Child Mixes Chemicals in Beakers. Children Learn with Interest