Girl using microscope
Girl using microscope, portrait
Girl pouring chemical into test tube
Girl pouring liquid into chemical flask
Girl looking at chemical in flask
Girl with microscope
Girl examining microscope slide
Teen girl
Boy using laptop
Girl making notes
Girl using pipette
Woman using 3d printer
Woman using microscope
Girl using laptop computer
Girl using tweezers with circuit board
Person pipetting chemicals into a flask
Girl holding test tubes
Girl with pcr tubes
Girl experimenting with fuel cell
Girl drawing picture on desk, high angle
Elementary schoolgirl looking bored during lesson
Girl testing proton exchange membrane cell
Bunsen burner
Redhead girl doing homework at home
Baby girl looking at book
Portrait of young girl
Portrait of smiling elementary school girl sitting bored in classroom
女の子とトイプードル
理科の実験(クラフト)
Girl Reading on Bed
Girl holding chemical flask
Boys making craft object
Science student weighing powder
Plastic numbers forming mathematical equation
Boy making craft object
Girl holding a textbook
Girl writing with chalk on blackboard
Girl packing backpack with school stationery supplies
University student looking through microscope
Chemistry student working in a fume cupboard
授業中の小学生
Microscope
Girl holding green leaf with tweezers
Girl holding green leaf and making notes
Girl holding flask with green leaf
Boys using laptop
Boy using a laptop
Girl who looks into microscope
Student working on computer
Third graders sitting in a classroom
A caucasian ballet teacher assists her young student
Female technician weighing chemicals in laboratory
Microscope in lab
Girl writing alphabet on small chalkboard
Using a 'makeshift' calorimeter
Young Girls Reading Books in Schoolyard, Cumberland Mountain Farms, near Scottsboro, Alabama, USA, Carl Mydans for U.S. Resettlement Administration, June 1936
Young yellow students read carefully on the grass.
Girl by blackboard and sister at desk
Proud kid having first day at school holding a traditional cone filled with sweet stuff
Girls preparing vegetables
Girl looking at test tubes
Girl controlling robot
Chemistry student using microscope in laboratory
Girl using a microscope
Female teacher writing on whiteboard in classroom
Female teacher pointing by whiteboard in classroom
Female teacher writing on whiteboard in computer classroom
Students working on computers
Student looking down a microscope
Close up girl doing homework with pencil
Schoolgirl in a classroom
Dipping magnet in iron filings
Glass flasks with liquids in a laboratory
Girl using soldering iron
Schoolchildren with backpacks
Elementary Student Getting onto School Bus
Portrait of woman with microscope
Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution
Students sitting at desk in class, low section
Woman dripping liquid onto a microscope slide
During the Spring Festival in 2019, Beijing finally ushered in a snowfall. The children were very happy to play with the snow and play with the snow.
Teenager using a video microscope
Female student working in lecture theatre
Copper (I) chloride on watch glass
Copper (II) chloride on watch glass
Copper (II) chloride with hazard pictograms
Iron (II) chloride on a watch glass
Iron (II) chloride with hazard pictograms
Graduated pipette
Bromine
Lead
Water
Aluminium powder
Elementary school girl looking bored in classroom
Schoolgirls at school
Girl sitting on floor concentrating on writing homework
Elementary Student
Rural School Girl, San Augustine County, Texas, John Vachon for Office of War Information, April 1943
Girl kneeling on floor playing with toy train
Parish Beach, Parish Hall, Swarthmore College, Swarthmore, Pennsylvania, USA
Girl reaching for a book in library
Schoolgirl writing notes
Mother potty training daughter
Boys making craft objects
Female teacher using microphone, pointing near white board
Child with physical and learning disabilities
Three school girls outside school, portrait
Compass
Girl holding film solar cells
Ozark School Teacher, Arkansas, USA, Ben Shahn for U.S. Resettlement Administration, October 1935
Boy holding magnet with large number of pins on
Molecular Model
Woman using pipette
教室で挙手する小学生の女の子
Portrait of boy in classroom
Mother breastfeeding baby daughter
Rural Girl's First Day of School, Pocahontas County, West Virginia, USA, circa 1921
Woman experimenting with fuel cell
Teenage boy using laptop
Girl working on solar cell in classroom
勉強する小学生
Schoolboy in a classroom
Nursing exam
Childs Hand With Book