Niña por detrás haciendo un proyecto de ciencias caseras, vertiendo líquido rojo en un frasco de un vaso de precipitados. Sobre su hombro. - Foto e imágenes de stock

Chemical engineer and professional researcher using medical tools and conducting experiments

Low angle of lady putting pill in glass of water. Focus on medicament

Kind woman taking bottle with tonic, going to prepare face for putting makeup

Experiments in the chemical laboratory. An experiment was carried out in a laboratory in transparent flasks.

Close Up Of Woman Filling Container With Cleaning Product In Plastic Free Grocery Store

Glass of clean water is held by female hand on a blue background. Selective focus. Mock up. Copy space.

Chemistry laboratory. Conducting a chemical experiment. Experiments in the laboratory. Flasks and test tubes with colored liquid. The child conducts an experiment in a chemical laboratory. The science.

Cute little boy doing science project, filling a glass chemical dish from a beaker. Behind a table with books and notepads.

Silly little girl playing with magnifying glass while doing home science project, looking through it. She has glass chemical equipment and microscope

Patient little girl doing home science project, mixing red and blue liquids in a flask. She has chemistry glassware and microscope

Grimacing playful girl doing home science project, corking the flask with a liquid, putting an effort. She has glass chemical wares equipment and microscope

Cheerful little boy in glasses sitting behind the table in front microscope in a kitchen. Hands folded one over the other. Smiling with his teeth.

Amased little girls doing science project, one is adding liquid from pipette into a flask, provoking a chemical reaction, release of a gas with a lot of foaming. Both wearing protective glasses.

Curious little girl doing home science project, looking through magnifying glass. She has glass chemical equipment and microscope

Blurred little girl doing home science project, filling a pipette with liquid from the flask. Behind a table.