Gruppo di scolaretti con insegnante nel laboratorio scolastico facendo esperimento osservando la reazione chimica con il colorante con aceto, e vulcano soda indossando vetro uniforme camice bianco . - Foto e immagini stock

Group of school girl kids with teacher in school laboratory making experiment observing the chemical reaction with the dye with vinegar, and soda volcano wearing white gown uniform glass

Clever blonde school girl chemist in eyeglasses and white medical gown making science experiments chemistry ,mixing different chemical solutions in laboratory classroom.

Group of school girl kids with teacher in school laboratory making experiment observing the chemical reaction with the dye with vinegar, and soda volcano wearing white gown uniform glass.

Surprised and amazed clever blonde school girl chemist in eyeglasses and white medical gown making science experiments chemistry ,mixing different chemical solutions in laboratory classroom.

Serious little boy and girl in white uniforms conducting chemical experiments in a laboratory.Back to school concept.Young scientists.Natural sciences.Preschool and school education of children.

Kids in protective glasses and lab coats making experiment in chemical laboratory

Clever blonde school girl chemist in eyeglasses and white medical gown making science experiments chemistry , mixing different chemical solutions in laboratory classroom

Two blonde chemist school kid student little girls girlfriend sisters chemical experiment white medical gown classroom science.

Clever blonde school girl chemist in eyeglasses and white medical gown making science experiments chemistry ,mixing different chemical solutions in laboratory classroom.

Group of school girl kids with teacher in school laboratory making experiment observing the chemical reaction with the dye, with vinegar and soda volcano wearing white gown uniform glass

Cute curly afro hair girl and boy drawing with her mothers parents positive education tolerance amazing day light sun on curls hair.

Brazilian latin authentic mixedrace family elementary learn to paint and to write .

Brazilian latin authentic mixedrace family elementary learn to paint and to write .

African man cleaning cooktop cooker hood and glass table at home ,Brick wall background.

Antibacterial agent in the hand. the concept of cleanliness and health. mother inflicts antiseptic on a childs hand.

Black male cleaning a glass table at home.