Eine Schülerin führt Experimente in einer Chemiestunde durch. Mädchen gießt farbige Flüssigkeiten aus einem Becher - Stockfoto & -bild

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. The girl compares two test tubes with colored liquids

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. Girl pouring colored liquids from a beaker

A schoolgirl conducts experiments in a chemistry lesson. The girl compares two test tubes with colored liquids

Caucasian girl with two ponytails sits at her desk and writes in a workbook

Caucasian schoolgirl sits at her desk at school and studies the globe

Caucasian schoolgirl sits at her desk at school and studies the globe

Caucasian girl with two ponytails sits at her desk and raises her hand up to answer the teachers question

The schoolgirl answers at the lesson. Caucasian girl writes a formula on a blackboard