Home
PLUS
AI Generator Tools
New
AI Image Generator
Delivering creativity at your imagination.
New
AI Image Upscaler
Scale your images up to 4x a click!
New
AI Generative Fill
Remove and replace objects in seconds!
New
AI Background Blur
Blur backgrounds to make subjects stand out!
AI Background Remix
Professional backgrounds for your products.
AI Image Extender
Extend your images to different ratios.
AI Writer
Best writing companion for the digital age.
AI Background Remover
Remove unwanted backgrounds easily.
123RF PLUS
Get creative solutions powered by cutting-edge AI tools.
Go PLUS
We have 2 new AI tools!
Check out AI Image Upscaler and AI Generative Fill now!
OK
Free Images
Stock
Photos
Vectors
Video
Audio
Fonts
Corporate+
Pricing
Support
en
English
Deutsch
Español
Français
Magyar
Italiano
日本語
한국어
Nederland
Język polski
Português (PT)
Русский язык
简体中文
繁體中文
Türkçe
Login
Go unlimited
Video
Options
PREMIUM
All Images
Photos
Vectors
Video
Audio
Fonts
FREE
PLUS
Chemistry teacher comparing liquids in flasks and showing to camera, discovery
Play Video
Remaining Time
-0:00
Play
Progress: NaN%
Playback Rate
1.00x
Non-Fullscreen
1080p
MOV
1920 x 1080
29.97fps
116.59 MB
Download
motortionfilms
Follow
Preview
Share
X
Facebook
Pinterest
Report
Why are you reporting this?
Intellectual Property - Copyright and Trademarks
Violates 123RF Policies
Repetitive/Irrelevant Content
Inappropriate/Distasteful Content
Corrupted Content
Please describe the issue in detail.
Cancel
Submit
138489632
8.04s
Stock Video
KEYWORDS
classroom
teacher
class
tubes
scientific
academic
intelligent
formula
chalkboard
analyzing
system
study
school
blackboard
smile
knowledge
subject
substance
science
research
smiling
student
chemistry
education
scientist
uniform
curiosity
chemical
experiment
reaction
smart
laboratory
sitting
modern
profession
eyeglasses
camera
occupation
reform
female
lady
woman
looking
portrait
background
equipment
flasks
innovations
liquids
sediment