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

Chemical experiments. Happy beautiful chemistry teacher being surrounded by children and putting something to a flask while conducting a chemical experiment

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

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

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

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

Involved in the activity. Nice smart thoughtful girls standing around chemical reagents and working with them while being in the laboratory

Lets do it together. Positive nice happy children standing around the table and leaning forwards while blowing on the liquid in a chemical flask

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

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

Interesting experiment. Joyful teenage boy adding green chemical to the flask with a pipette and smiling while his experiment partner looking at him with curiosity

Into chemistry. Two pleasant upbeat teenage girls in safety pouring chemicals in a big flask while conducting an experiment for their chemistry group project

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

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

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

Right reaction. Two cheerful teenage schoolgirls holding flasks with chemical substances and checking them for the desired chemical reaction in them