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Happy faces. The close up of a joyful young chemistry teacher and her student smiling brightly while watching chemicals react in a flask
Keywords:
liquid
education
studying
laboratory
working
child
protective eyewear
indoors
caucasian ethnicity
discovery
scientific experiment
smiling
beaker
equipment
happiness
science
chemical
looking at camera
student
biology
microscope
classroom
research
lab coat
females
teamwork
school building
cheerful
scientist
schoolgirl
occupation
chemistry
learning
girls
boys
chemistry class
looking
women
technology
medicine
development
teacher test
elementary flask
discovery face
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