A menina atentamente olha no microscópio na mesa com artigos de vidro químicos - Banco de filmagens e vídeos

Young school pupils in school research lab looking into microscope. 4K.

The close-up of the girls, looking in the microscopes.

Little boy works with microscope making some research

The kid with a microscope puts the sample under a microscope, adjusts the microscope, turns the wheel and sees the sample on the glass.

Chemical experiments for children. Fun experiments for children. Boy pours blue snow on the table from a transparent plastic Cup. Room is filled with artificial smoke.

Little boy works with microscope making some research

Little boy works with microscope, closeup, side view

Boy teach little girl and writes something in notebook

Little boy prepare specimen pouring it on glass slide

Female doctor pours medicine syrup into plastic measuring spoon and gives it little girl.

Young boy pours chemical reagents which is precipitates in test tube with liquid, focus at fingers and tube