Log in
Email
Password
Register
Menu
Explore
Newest photos
Popular photos
Contribute
Submission guidelines
Photographer signup
Photographer login
About
About Freerange
Image license
API
Contact us
Support
Contact support
FAQ
Login
Login
Register
Search all
Photos
Illustrations
Match All
Match Photo ID
Newest
Popular
Select Category
AI Generated
CC0 Images
Editorial and News
Animals & Insects
Architecture
Architectural Details
Arts & Music
Backgrounds & Textures
Cities and Modern Life
Business & Office
Flowers and Plants
France
Food & Drink
Holidays & Occasions
Health and Fitness
Landmarks
Interiors
Illustrations
Industry & Agriculture
Landscapes & Nature
Letters and Numbers
Objects
Other
Military
People
Signs & Symbols
Sky and Clouds
Space
Sports & Recreation
Technology
Wallpapers
Free Stock Images
Sponsored images from iStock
View footage results
Click to save 15% sitewide with code
FREERANGE15
View More
525 free test photos from Freerange
Filter results
Popular
Most Viewed
Newest Photos
All licenses
Freerange
CC0
Photos & Illustrations
Photos
Illustrations
Per Page
25
50
100
Child amazed by science
Childhood education concept - Girl look at the microscopes in the laboratory. Little scientist in the laboratory is examining the sample in test tube.
Young student in a classroom
A group of students from an international school that promotes creativity and places children at the center of learning in a variety of subjects.
A student learning about money
A group of students from an international school that promotes creativity and places children at the center of learning in a variety of subjects.
Exam Kids Indicates Youngster Toddlers And Quiz
Exam Kids Showing Exams Quiz And Youths
Eye test
Illustration of man with glasses and eye exam chart
pH meter
Analog pH meter with electrode, pH 7 and 4 buffers.
Acids and chemical structures
Two reagent bottles containing hydrochloric acid, acetic acid and their molecular models.
Nitric acid
A bottle containing nitric acid.
Gram negative rods
Gram negative rods with spores. Viewed under the microscope at 1000x.
Blood tests performed in the lab
Pipetting samples for disease testing into testing plates
Microtiter plate
A Centers for Disease Control and Prevention CDC scientist examines the results of a hemagglutinin inhibition HI test.
Gooch crucible
An isolated sintered glass crucible.
School test
Bubble style test form
Centrifuge tubes and pipette
Centrifuge tubes with pipette.
Sonography. Prepare for ultrasound examination. Ultrasound transducers
Ultrasound transducers on the ultrasound machine
customer experience Feedback Illustration
Illustration of customer taking a satisfaction survey.
Girl learning at home
Autistic cute girl practicing connecting the color sticks at home. Training for intelligence restoration for children with autism or aphasia kids.
Quality control QC engineer monitoring and checking machine
Quality control QC engineer monitoring and checking machine system in manufacturing factory
Microbiology mutagen test
Sample plate for mutagenic testing.
Petri Plates
Pouring petri plates for bacteria growth.
Person adding chemicals to a flask
Flask, pipet and hand.
Lab science setup
Science image for research and education.
Programmer at the desk
Programmer at the desk with programming languages
Chemistry Glassware on White
Science glassware for a chemistry lab.
Silver chromate reaction
Lead chromate chemical reaction.
Find even more royalty free stock photos from the world's best photographers
View
of
21
Try your search on iStock: