Alternatif enerji keşfetmek. Afro-Amerikan çocuk demonstrasyon modeli daha iyi görüş için büyüteç kullanarak gülümseyen - Stok Fotoğraf ve Görsel

Studying thoroughly. Upbeat teenage students sitting at the table and examining a little tree model while the boy using a magnifying glass for it

Curious experimenters. Contented African American boy laughing and pointing on model of wind turbines

Alternative energy source. The focus being on the wind turbines standing on the table and being pointed at by a cheerful girl during the discussion about alternative energy

Funny girl. Funny curly dark-haired girl touching little model of windmills studying with friends

Pleasant smile. Kind pupils expressing positivity while studying together at school

Studying new topic. Charismatic involved responsible school children sitting at school and testing cyber devices while having science lesson

Perfect team spirit. Joyful teenage students joking and laughing while discussing an ecology project related to the alternative sources of energy

It is ok. Positive delighted international boy keeping smile on his face while studying with pleasure

Little inventors. Concentrated boy and happy girl sitting in the classroom with their models made of construction set preparing for their first science exhibition.

Do it by yourself. Pretty brunette keeping smile on face and raising hands while visiting lessons of chemistry

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

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

Serious approach. Focused determined clever girl using a microscope looking at the bacteria while her classmates writing down the data

Students studying. Three diligent students studying natural sources of energy while preparing project

Talks. Nice boy and girl speaking while being in a classroom