Appassionato di chimica. Adorabile adolescente e la sua compagna di classe aggiungendo sostanze chimiche e conducendo la reazione durante la loro lezione di chimica mentre entrambi indossano occhiali di sicurezza - Foto e immagini stock

Check it out. Upbeat teenage boy lifting up a big flask and showing the ongoing reaction inside it to his classmates while they having a chemistry class in the lab together

Chemistry lovers. Upbeat teenage female students pouring chemical into the flask and smiling while carrying out an experiment in the school laboratory during chemistry class

Correct reaction. Charming teenage schoolgirls holding chemical flasks and checking the correctness of chemical reaction taking place in them

Curious students. Charming teenage students examining test tube with a chemical and discussing it while conducting a group experiment during chemistry class

Curious adorable lovely kids studying chemical processes at elementary school, working on a group project while standing and watching reaction of liquid agent in test tubes

Desirable result. Upbeat teenage schoolchildren reaching out their hands and feeling the warmth radiating from chemical flask while the reaction going on in it

Best explanation. Beautiful young female teacher adding chemical to the test tube and showing her students the reaction while they paying attention

Chemical reaction. Selective focus of a chemical flask filled with liquid and being held by a professional mala scientist while conducting the experiment

Getting interested. Pretty cute curious girl standing near the table and looking at the scientists hand while being interested in science

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

After lessons. Positive curious smart boys smiling and enjoying their time while visiting scientific club

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

Scientific club. Nice smart serious teenager holding flask and pouring chemical liquid while taking part in science club meeting