Une démonstration de chimie. Je retourne à l'école. Enfant de l'école primaire. Portrair à proximité. Ils ont mené une nouvelle expérience en chimie - Photo & image de stock

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They carried out a new experiment in chemistry. Science and education concept. Science. Happy little scientist making experiment with test tube. Knowledge day.

They carried out a new experiment in chemistry. Science and education concept. Science. Happy little scientist making experiment with test tube. Knowledge day.

Back to school - education concet. Knowledge day. They carried out a new experiment in chemistry. Child in the class room with blackboard on background.

Lesson Plans - Middle School Chemistry. A chemistry demonstration. First grade. Back to school. They carried out a new experiment in chemistry. Ready for school.

Little kids scientist earning chemistry in school lab. What is taught in chemistry. Lab microscope and testing tubes. School concept. Back to school and home schooling.

Little kids scientist earning chemistry in school lab. What is taught in chemistry. Lab microscope and testing tubes. School concept. Back to school and home schooling.

Child in the class room with blackboard on background. schoolboy. They carried out a new experiment in chemistry. Knowledge day. Home schooling. School concept.