Alumno masculino y profesor que dirige el experimento de química - Foto e imagen de stock

Female Pupil And Teacher Conducting Chemistry Experiment

Male Pupil And Teacher Conducting Chemistry Experiment

Flu virus experiment - scientist in laboratory with microscope, wear protective eyewear

Female Pupil And Teacher Conducting Chemistry Experiment

Woman involved in chemical research. Isolated on white

Male Pupil Conducting Chemistry Experiment In Science Class

Teenage girl with pipette in chemistry class

Investigator checking test tubes. Man wears protective goggles

Chemistry experiment - scientist in laboratory, wear protective eyewear

Male Pupil Using Microscope In Science Class

Teenage Students In Science Class Using Microscope

Teenage Students In Science Class Using Microscope

Female Pupil Using Microscope In Science Lesson

Scientist With Rack Of Test Tubes

Male Pupil Using Microscope In Science Class

Scientist Holding Clipboard And Examining Beaker

Female Teenage Student Using Microscope In Science Class

Portrait Of Male Pupil Using Microscope In Science Laboratory

Female Pupil Using Microscope In Science Lesson