Jonge wetenschapper maakt chemische experimenten met kleurrijke vloeistof. Hes kolf met kleurrijke vloeistof in handen te houden en het onderzoek. Laboratoriumexperimenten met vloeistof. - Stockvideo’s

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes chemical experiments with colorful liquid. Hes holding flask with colorful liquid in hands and research it. Laboratory experiments with liquid.

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Cute, little girl with ponytails in white uniform and round glasses evaluates chemical experiment with blue and dark blue liquids, standing by the table, on white background, slow motion

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes chemical experiments with colorful liquid. Hes holding flask with colorful liquid in hands and research it. Laboratory experiments with liquid.

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes experiment with liquid. He blows air through a tube and the liquid in flask changes color. Laboratory chemical experiments.

Young scientist makes chemical experiments with colorful liquid. Hes holding flasks with colorful liquids in hands, research them and compares. Laboratory experiments with liquid.