Beheersing van het experiment. Leuk ervaren mannelijke leraar permanent in de klas en de controle van het experiment terwijl het hebben van een scheikunde-les - Stockfoto’s en -afbeeldingen

Team work. Happy positive delighted children standing around the table and carrying out a chemical experiment while being enthusiastic about science

Science lovers. Positive delighted intelligent children standing around the table and conducting an experiment while attending a scientific club meeting

Optional chemistry lesson. Intelligent curious smart children standing around the table and looking at the chemical flask while waiting for some chemical reaction to happen

Wonders of chemistry. Confident professional male scientist holding chemical flasks and showing an experiment while interacting with kids

Maybe it was the wrong decision. Frightened little chemists and their teacher worrying about their dubious idea of mixing different liquids in a round bottomed flask

You must be careful. Serous responsible male teacher wearing a white coat and standing near his students while looking after them

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

Helping with an experiment. Nice cute delighted girl holding a bottle and looking at the liquid in it while helping with an experiment

Useful tool. Cheerful handsome teenage male student using a magnifying glass and studying a chemical reaction going on in the flask

Examining thoroughly. Joyful teenage boy examining a chemical substance in the flask with a magnifying glass while his classmate holding that flask for him

Fond of chemistry. The group of upbeat teenage students being gathered around the table in their school lab and observing the final stage of their chemical experiment with excitement

Fascinating chemical reaction. Cheerful teenage female students squatting near the table and watching the smoke coming out of a chemical flask with awed expressions

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

Thorough examination. Upbeat teenage girl examining a green substance in the flask with the magnifying glass while her classmate watching her do so with a smile

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

Favorite science. The close up of an upbeat teenage student and his young chemistry teacher watching the chemicals reacting in the flasks during the class in the lab