Girl using microscope
Girl holding green leaf with tweezers
Girl holding green leaf and making notes
Girl holding flask with green leaf
Teen girl
Girl examining microscope slide
Girl with pcr tubes
Girl using tweezers with circuit board
Girl holding test tubes
Girl looking at chemical in flask
Boys in classroom, sitting at desk, looking at model of skull
Light microscope
Girl with microscope
Girl using microscope, portrait
Secondary school students looking through a microscope
Secondary school student looking through a microscope
Scientist using microscope
Girl pouring chemical into test tube
Girl pouring liquid into chemical flask
Girl making notes
Girl using pipette
Student using microscope
Contemplative boy sitting on bean bag
Girl experimenting with fuel cell
Portrait of boy in classroom
Girl testing proton exchange membrane cell
Biotechnology research
Girl holding chemical flask
Boy Looking Through Telescope
Woman using microscope
Elementary schoolgirl looking bored during lesson
Students in classroom, sitting at desks, with arms raised
Students sitting at desk in class, low section
Laboratory microscope
Student playing with model in classroom
School Science Lesson
Portrait of smiling elementary school girl sitting bored in classroom
Portrait of woman with microscope
Young woman studying
Elementary Student Wearing Backpack
Science student using microscope
Student looking down a microscope
Girl working on solar cell in classroom
Girl controlling robot
Girl using soldering iron
Two Children of Migratory Workers in Elementary School Classroom at FSA Camp, Weslaco, Texas, USA, Arthur Rothstein for Farm Security Administration, February 1942
School Girl Preparing Cupcakes in Home Economics Classroom
Titrating a reactant from a burette
Making a reactant solution
Transferring a reactant into a flask
Microscope
Microscope slide
Third graders sitting in a classroom
Girl looking at test tubes
Metal dissection tray
Wooden dissection tray
Mounted needle
Mounted seeker needle
Fine-pointed forceps
Blunt-pointed forceps
Surgical scissors
Surgical scalpel
Surgical scalpel and blade
Surgical scalpel blade
Biology lesson
Boy Playing With Test Tube
Secondary school student concentrating in an ICT lesson
授業中の小学生
Microscope in lab
Lab technician using microscope in the lab
Teacher and student talking
Children hanging coats on pegs
Boy in classroom
Little Boy
Boy Getting Height Measured
Elementary Student in Classroom
Girl who looks into microscope
Woman working
Woman using pipette
Portrait of teacher in front on blackboard
Chemistry student using microscope in laboratory
Students in Rural Schoolroom, Wisconsin, USA, John Vachon for U.S. Resettlement Administration, September 1939
Children of Migratory Workers in Elementary School Classroom at FSA Camp, Weslaco, Texas, USA, Arthur Rothstein for Farm Security Administration, February 1942
Boy in classroom, sitting at desk, with arm raised
Bored young teenage boy in class
Student Studying in Rural Schoolroom, Wisconsin, USA, John Vachon for U.S. Resettlement Administration, September 1939
Woman holding micro plate
Soil colour chart
Young scientists working in laboratory
Girl working on electronics project
Glass chemical equipment in a chemistry lab
Raised hand
Silver nitrate test for chlorides
Silver nitrate test for iodides
Elementary school girl looking bored in classroom
Students raising arms during lesson in classroom
A girl using a telephone