6,188 Free Images of Test

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$Sample of test tubes. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.$

laboratory medicine

Closeup of roses at International Rose Test Garden

Scientist testing with virus through test tubes. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

container bacteria

A scientist implementing molecular testing. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

scientist science

Propelling Deep Space Missions

Closeup of roses at International Rose Test Garden

Testing water quality

education youth

James Webb Space Telescope

telescope space

Dragon 2 hover test (2015). Propulsive hover tests of our Dragon 2 vehicle that can carry crew and cargo.

Green plants in a row of test tubes with water

technology science

Test Tubes

science stencil

A test tube tray containing a number of purple tipped vacutainer tubes. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

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Couple in Test of Courage Game

Three test tubes used in a Legionella pneumophila bacteria detection test. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Water quality testing-3

Mars Lander's Solar Arrays

Space Simulation Chamber

telescope space

SpinSat Investigation Tests

Students testing water quality

education youth

Orion Spacecraft Suited Crew

spacecraft people

Water quality testing-2

education youth

Washington Park International Rose Test Garden

Crew Dragon Pressure Vessel

Water quality testing-1

education young

Tested number one

number one sign

Seeds are secured in plant pillows for the Veggie plant growth system inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida.

Water quality using test strips

education people

Boosters for Orion Spacecraft

spacecraft rockets

Space Launch System Rocket

Electrolysis Science Experiments

A close-up view of the Orion crew module from Exploration Flight Test 1 on display at nearby NASA Kennedy Space Center Visitor Complex in Florida.

spacecraft space

Outdoor education using water quality test strips

education youth

Experimental Wing Tests Electric Propulsion Technologies

technology flight

Firebolt fires a Griffin missile

Liftoff of SpaceX

Dream Chaser flight vehicle systems

aircraft vehicle

Electric Multimeter

electricity tools

NASA Tail Technology

aircraft vehicle

Dream Chaser flight vehicle systems

aircraft vehicle

Field Testing

building winter

Spitzer Space Telescope into orbit around the Sun

Scientist testing with virus through test tubes. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

medicine science

Pouring Whiskey into glasses at Maker's Mark

hand crib

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Prandtl-D Research Aircraft

aircraft vehicle

Shape Changing Wing Flaps

Microscope science

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No animal testing

Four test tubes of bacterial microorganism. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Test Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Orion Crew Module

Chemistry lab flask

laboratory chemistry

Petri dish

laboratory dish

Chemistry lab flask

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A scientist holding bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

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Biologist conducts a swim test on a large Rainbow trout

Chemistry lab

laboratory chemistry

Engineers built a tank identical to the Space Launch System tank

spacecraft space

Veterinarian seeing a cat

Laboratory Beaker

laboratory beaker

A scientist holding a culture test plate. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

science control

Orbital Test Vehicle 5 Mission (2017).

spacecraft clouds

Avrocar Test in Ames 40x80 Foot Wind Tunnel. Rear view of the Avrocar with tail, mounted on variable height struts. Overhead doors of the wind tunnel test section open. Apr 3rd, 1961.

Laboratory Scientist with a Test Tube

laboratory scientist

Doctors Stethoscope

medicine science

Biologist conducts a swim test on a large Rainbow trout-1

Crew Dragon Pad Abort Test (2015).

spacecraft rockets

Biologist conducts a swim test on a large Rainbow trout-2

Biologist conducts a swim test on a large Rainbow trout-1

Raptor testing (2016).

Chemical experiment

laboratory chemistry

A scientist testing a sample suspected of containing a bacterial toxin. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

creative commons control

Biologist conducts a swim test on a large Rainbow trout-2

Crew Dragon Pad Abort Test (2015).

Crew Dragon Pad Abort Test (2015).

Orbital Test Vehicle 5 Mission (2017).

Laboratory Beaker

laboratory liquid

Lab technician adding a solution to an Enzyme–Linked Immunosorbent Assay (ELISA) plate Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Flight Test in the Roverscape at NASA's Ames Research Center.

Stethoscope on White Background

medicine science

Microscope - Grayscale

laboratory science

Isolated blue stethoscope

medicine science

The USS Anchorage is being prepared for the Orion Underway Recovery Test 2.

Launch of Little Joe-2 from Wallops Island carrying Mercury spacecraft test article.

technology science

Stethoscope Medical Device

medicine science

Medical Stethoscope Instrument

medicine science

Microscope slide cover slip

laboratory science

Glucose Meter

Mobile Service Tower Rolled Back for Orion Flight Test

spacecraft rockets

laser scientific optical system

technology green

Microscope

laboratory science

Microscope slide

Laboratory flask

laboratory flask

Chemistry lab flask

laboratory chemistry

Coronavirus Disease

Stethoscope - Doctor Instrument

medicine science

Rendered image of Lunar Crater Observation and Sensing Satellite crashing into the moon to test for the presence of water.

astronomy space

Blue Stethoscope on White Background

medicine science

Microscope - Grayscale

laboratory science

Child Education

furniture children

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