Пробирки закрывают вверх и сыгранность в лаборатории. Команда работы ученого вместе с профессором в конце лаборатории вверх Студенты в белых пальто на тренировке образования в концентрации вникновения университета, мужской профессор пишут в результатах тетради испытания

Пробирки с анализами в автоматической биохимии сток-видео

In a lab setting rack holds many test tubes filled with different colored liquids each tube represents sample for scientific study сток-видео

Diverse youth in lab with teacher in goggles after prompt pouring fluid into test tubes diverse youth in lab with teacher in акции видеоматериалы

Female teen with goggles tapping tablet glancing at test tubes following tablet steps in lab female teen with goggles tapping акции видеоматериалы

African american child placing test tubes into rack wearing goggles and comparing colored tubes student laboratory classroom сток-видео

Teenage females handling test tubes in lab as teacher asking peers raising hands copy space classroom students science акции видеоматериалы

African american teen in goggles handling colored test tubes pondering results at school lab student youth science chemistry акции видеоматериалы

African american teacher guiding kids pouring test tubes after asking to compare colors at lab educator students science classroom сток-видео

Child students lab bench examining test tubes while teacher entering with tablet giving guidance child students lab bench сток-видео

Instructor guiding kids using test tubes filling bottles at bench inflating balloons studying gas instructor guiding kids using сток-видео

African american girl after teacher cue in lab with goggles holding comparing red blue test tubes student classroom science акции видеоматериалы

Asian school age female wearing goggles sweater entering left and checking tablet near test tubes classroom science laboratory акции видеоматериалы

Following tablet asian child wearing goggles pouring bright liquids into test tubes at school lab following tablet asian child акции видеоматериалы

African american kids prompted by teacher pipetting into test tubes at lab bench to observe vapor students classroom science сток-видео

Teen student wearing goggles comparing red and blue test tubes in lab after teacher cue explaining glassware liquids colorful акции видеоматериалы

Две молодые африканские девушки рассматривают заполненные пробирки в штативе, поднимают пробирки и сравнивают синюю жидкость акции видеоматериалы

Подростки-девочки поднимают руки, пока учитель в лабораторном халате задает вопрос у скамьи, синие пробирки акции видеоматериалы

Испытательные трубы с жидким и химическим оборудованием в научной лаборатории сток-видео

Афроамериканские студенты выполняют указания учителя, в розовом свитере и защитных очках, работая с пробирками в лаборатории видеоматериал

Female teacher showing to female youth at lab bench reaching arranging green test tubes in rack classroom science mentorship сток-видео

Подросток-девушка поднимает пробирки, сравнивая цвета, переливая и пипетируя на лабораторном столе, используя планшет акции видеоматериалы

Teacher in lab coat leaning in female students arranging blue test tubes at lab table with goggles teacher in lab coat leaning in сток-видео

School pupils fixing goggles using test tubes flask as teacher in lab coat gesturing at bench school pupils fixing goggles using видеоматериал

Female child adjusting goggles filling test tubes with pipette during lab experiment in school lab female child adjusting goggles видеоматериал

African american teacher leading lab class reaching test tubes and teaching goggled children at lab instructor students experiment сток-видео

African american male children prompted by lab pouring green liquid into test tubes to fill rack youth collaboration classroom сток-видео

Female instructor guiding youth girls pipetting blue solution into test tubes during class demo lab students teacher chemistry видеоматериал

African american teacher in lab coat starting lesson filling test tubes with pipette at classroom african american teacher in lab видеоматериал

Instructor demonstrating red beaker child handling pipette and test tubes at lab bench copy space instructor demonstrating red видеоматериал

African american teacher with class gesturing pipetting green liquid into test tubes at lab bench educator pupils laboratory акции видеоматериалы

African american instructor and child after prompt in lab pouring green liquid between test tubes science education classroom видеоматериал

African american teacher in lab coat and five teens pouring green liquid into test tubes teaching students science classroom акции видеоматериалы

African american teacher guiding teen girls pointing pipetting liquid into test tubes at lab bench science laboratory classroom видеоматериал

Kids wearing goggles watching teacher applying pipette drops to test tubes showing reaction in lab kids wearing goggles watching видеоматериал

African american child goggles reaching pipette filling orange drops into test tubes in school lab beaker flask glassware сток-видео

African american teacher starting demo guiding goggled schoolgirls handling blue test tubes in lab educator students goggles акции видеоматериалы

Seeing rack african girl in teal dress goggles leaning at lab inspecting test tubes learning colors seeing rack african girl in сток-видео

Ученый в лаборатории, работающих в лаборатории с пробирками сток-видео

Любопытные ученики начальной школы проводят научный эксперимент в классе, девочка использует пробирки и защитные очки, STEM сток-видео

Цветы и пробирки для изготовления духов. Селективная фокусировка. сток-видео