Lección de ecología informativa. Profesor barbudo en camisa a cuadros ayudando a sus estudiantes con la separación de la basura en diferentes cajas - Foto e imagen de stock

Separating garbage. Blonde concerned boy carrying glass tube and deciding trash can for with kind of trash

Useful practice. Good-looking young child resolutely fighting garbage and trash while studying mindful behavior

Dealing with trash. Smiling positive teacher in checkered shirt controlling his young nature lovers during useful practice

Working with students. Inspired school group with teacher working on recreating poster about environment

Time together. Positive smart boys looking at their grandfather while listening to him

Deciding trash can. Focused bearded teacher presenting different trash for his pupils and they choosing container for it

Young teacher doing chemistry experiment with her pupils during science education.

Trash sorting. Ginger diligent teacher in clear glasses presenting boxes for trash while teaching and describing importance of sorting

Help and support. Positive joyful teacher sitting together with his pupils while helping them to build a robot

New skills. Nice smart man looking at his grandchildren while teaching them how to build robots

Explaining rules. Nice smart teacher pointing with his finger while explaining rules to his students

Tiring activity. Nice tired boy touching his forehead while being tired from work

Pencil in hand. Caring handsome young foster father holding pencil in his hand while drawing models of ecological windmills with sons

Brilliant solution. Nice smart boy looking at his teacher while sharing his idea

Pleasant conversation. Lovely pre-teen boys sitting at the table in their fathers office and talking with him while he working on a blueprint and using a compass

New technology. Happy joyful children studying together while having a science lesson