Giovani scolaretti che fanno un esperimento di chimica con il bambino che tiene ferma la fiaschetta mentre la bambina versa sopra un liquido colorato - Foto e immagini stock

Happy children studying science on background

Children doing chemical experiment with glass tubes

Project, testing, pouring.

Project testing experiment youngster liquid boy filtering

Boy and girl doing chemical experiment. pouring liquid into beaker

Project, testing, pouring.

Children doing chemical experiment with glass tubes

Happy children studying science on background

Group of school kids in classroom on blackboard background

Pile of books, flasks with reagents, chemical equipment test and experiment, chemistry education

Pile of books, flasks with reagents, chemical equipment test and experiment, chemistry education

Medical microscope and books on table

Glass laboratory flasks on light background

Glass laboratory flasks on wooden table

Two scientists conducting research in a lab environment

Glass laboratory flasks on light table