Química interessante. Menina adolescente encantadora segurando um tubo de ensaio com um produto químico e tirando alguns mililitros de outro de um frasco durante a realização de uma experiência química com seu colega de classe - Banco de fotos e imagens

Experimenting with pleasure. Upbeat young chemistry teacher using a pipette and adding some chemical to a test tube while showing her students a chemical reaction

Interesting experiment. A group of cheerful students being gathered around the table during their chemistry class and watching the reaction going on in the big flask

Young beaming students. Curious children in protective glasses following their teacher during interactive experiment in school

Look here. Pleased brunette female taking sample while demonstrating her actions

Girls and boy providing experiment with liquids. Group school pupils with test tubes study chemical liquids. Science concept.

Question about chemistry. Young scientists helping their teacher with reagents and test tubes being involved in process

International people. Amazing brunette female raising her right hand while showing test tube with liquid

Waiting for reaction. Surprised teacher showing her students results of research while they attentively looking

Interesting chemistry. Serious thoughtful bearded man holding a chemical flask and looking at the liquid in it while showing the children an experiment

Getting smarter every lesson. Curious schoolgirls both wearing plaid shirts having fun time while participating in an exciting scientific experiment held by a young male teacher of chemistry.

Noting information. Delighted boy keeping smile on his face and bowing head while mixing two reagents

Experiments with chemical liquids. Happy delighted curious kids experimenting with liquids and doing a scientific research while enjoying the activity

Having fun. Delighted curious positive children standing around the table and mixing chemical reagents while conducting an experiment

Chemical reaction. Nice experienced intelligent scientist holding a chemical reagent and holding a flask while trying to show an experiment

Science is interesting. Delighted positive pretty girls looking at the chemical reagent and smiling while enjoying their time in the chemical lab

Give it to me. Attentive girl standing in semi position near her cousin and keeping mouth opened while holding flask with reagent in right hand