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Collection of Test Tube Cliparts (107)

Looking for Test Tube Cliparts? Here you will find a carefully collected gallery of free images in high quality. Each Test Tube Cliparts can be downloaded for school projects, presentations, websites or creative designs. Need a custom image? Try our free image generator. These cliparts are free for personal use. Please read the full terms of use.

Handy test tube graphics collected for teachers and designers, mixing black and white line art with colored icons for flexible layouts.

Blue stylized "M" logo with diagonal orientation and cut-out segments on black background.
A bold, contemporary blue “M” logo designed for high-impact visual identity across digital and print media.
Two laboratory test tubes with liquid and rising bubbles, indicating a chemical reaction or experiment.
Two test tubes showing active bubbling, suggesting a chemical reaction is underway.
Four test tubes with green, blue, red, and yellow liquids bubbling upward, illustrating chemical reactions or gas evolution.
Color-coded test tubes showing effervescent reactions, perfect for classroom demonstrations or digital science resources.
Illustration of a conical flask with blue liquid and a test tube with green liquid and bubbles, symbolizing a chemical reaction.
A classic chemistry demo: blue solution in an Erlenmeyer flask reacting with green liquid in a test tube, producing visible gas bubbles.
Black-and-white line illustration of a graduated test tube with measurement markings.
A classic graduated test tube icon, showing clear volume markings for precise liquid measurement in lab settings.
Blue abstract geometric shape with stepped right edge on black background.
A vibrant blue abstract form with a distinctive stepped edge, set against a stark black backdrop for high contrast and visual impact.
Blue liquid with bubbles in a glass test tube, representing a chemical reaction or lab experiment.
A classic lab test tube filled with reactive blue solution, showing gas bubbles rising-perfect for depicting chemical experiments.
Green liquid in a tilted laboratory test tube with measurement markings.
A classic lab test tube containing vibrant green liquid, marked with measurement lines for precise volume reading.
Test tube with orange liquid and bubbles, illustrating a chemical reaction or experiment.
A stylized test tube showing an orange solution with gas bubbles, representing a classic chemical reaction.
Orange liquid in a labeled test tube, representing a chemical or lab sample.
A standard laboratory test tube filled with orange-colored solution, marked with measurement lines.
Pink liquid in a black-outlined test tube with measurement markings, angled diagonally.
A stylized test tube containing pink liquid, marked with measurement lines-perfect for representing chemistry, biology, or diagnostics.
Yellow laboratory test tube icon with black measurement markings on a black background.
A stylized yellow test tube with black calibration marks-perfect for illustrating chemistry, biology, or general lab concepts.
Simple line drawing of a graduated test tube with measurement markings.
A clean line-art depiction of a standard laboratory graduated test tube with volume markings.
Minimalist abstract composition with two curved white shapes on black background, evoking motion or celestial forms.
Two delicate white arcs float in darkness, suggesting orbit, breath, or silent motion-simple yet deeply evocative.
Two colorful cartoon lab flasks-one blue, one green-each containing liquid, symbolizing science experiments or chemistry.
A stylized pair of Erlenmeyer flasks in blue and green, representing hands-on science learning and laboratory experimentation.
Six colorful test tubes in a lab rack, each containing a different liquid with bubbles, illustrating chemical reactions or experiments.
A clean, stylized depiction of six test tubes holding purple, yellow, blue, green, pink, and clear liquids-some bubbling-perfect for visualizing lab experiments.
Pink liquid bubbling in a conical flask, stylized science illustration.
A stylized depiction of a chemical reaction, with pink solution fizzing and releasing gas bubbles in an Erlenmeyer flask.
Bright yellow stylized pencil icon on black background, symbolizing writing, editing, or design tools.
A vibrant yellow pencil icon-simple, modern, and instantly recognizable for editing or writing actions.
A smiling cartoon child in a lab coat holding test tubes filled with colorful liquids, with magnifying glass and tools in pockets.
A young scientist proudly displays a rainbow of chemical reactions in test tubes during a fun, hands-on experiment.
Simple black-and-white line drawing of a classic brass horn or trumpet with flared bell and valve stems.
A stylized outline of a trumpet-style horn, showing the bell, tubing, and four valve stems in bold black lines.
White laboratory test tube with measurement markings on black background
A stylized test tube icon showing measurement gradations, commonly used in scientific and educational contexts.
Two glass test tubes with purple liquid-one open, one sealed with a brown cork stopper-on a white background.
A pair of clear glass test tubes filled with vibrant purple liquid; the right tube is capped with a brown cork stopper for containment.
A clear glass test tube half-filled with red liquid, marked with measurement lines, on a black background.
A stylized test tube filled with red liquid-symbolizing blood samples or chemical reagents in lab contexts.
Black-and-white line drawing of a classic glass test tube with vertical striations and rounded bottom.
A classic laboratory test tube depicted in precise engraved-style line art, showing structural details like the rim, body striations, and rounded base.
Green liquid bubbling vigorously in a conical flask, symbolizing a chemical reaction.
A classic lab flask showing an active chemical reaction with bright green liquid and rising bubbles.
Purple test tube icon with black measurement markings on transparent background
A stylized purple test tube with clear measurement lines, perfect for representing chemistry, diagnostics, or laboratory work.
Six colorful test tubes in a lab rack, each containing a different liquid with bubbles, illustrating a chemistry experiment.
A classic lab setup showing six test tubes with vividly colored solutions-purple, yellow, blue, green, pink, and clear-some actively bubbling to indicate chemical reactions.
Simple line drawing of an empty graduated test tube with measurement markings.
A classic graduated test tube-essential lab equipment for precise liquid measurements in chemistry and biology experiments.
A clear glass test tube containing bright green liquid, tilted diagonally against a black background.
A tilted test tube filled with green liquid-commonly used to represent chemical reactions, plant extracts, or microbial cultures in labs.
Clear graduated test tube with gray liquid, marked measurement scale for lab use.
A standard laboratory graduated test tube containing a measured volume of liquid, used for accurate chemical analysis.
A test tube with green liquid bubbling and emitting sparkles, indicating a chemical reaction or scientific experiment.
A lively green solution bubbles and sparkles in a test tube, symbolizing an active chemical reaction.
Six colorful test tubes in a row-blue, light blue, orange, green, red, yellow-labeled "Test Tube Template"
A clean, labeled test tube template showing six color-coded vials-perfect for science diagrams and teaching resources.
Four colorful laboratory pipettes with polka-dot handles and measurement markings on a black background.
A set of four brightly colored pipettes with white polka dots, each featuring clear volume markings for precise liquid measurement.
Bright green test tube icon with three black horizontal markings on a black background.
A stylized green test tube with three black measurement lines-perfect for representing chemistry, biology, or laboratory work.
Pink liquid in a clear test tube with light blue cap and pink dots, isolated on black background.
A clean, stylized test tube filled with pink liquid, commonly used to represent lab samples or chemical solutions.
a black and white image of a graduated cylinder
The image is a black and white line drawing of a graduated cylinder. The cylinder is elongated and has a narrow neck with a pointed end. It has multiple vertical bars on the sides, which are arranged in a vertical line. The bars are evenly spaced and appear to be made of a smooth material. The overall shape of the cylinder is simple and minimalistic.
A clear glass test tube filled with yellow liquid and sealed with a light blue cap, isolated on black background.
A standard laboratory test tube holding a yellow fluid sample, capped for safe handling and analysis.
Blank white vertical rectangle centered on black background, minimalist placeholder or design element.
A simple yet striking vertical white rectangle set against a deep black backdrop, perfect for design mockups or visual balance.
Green liquid in a transparent test tube with measurement markings, angled diagonally on white background.
A classic laboratory test tube containing bright green solution, commonly used to symbolize chemical experiments or scientific discovery.
Four test tubes with red, green, blue, and empty liquid alongside colored droplets, illustrating chemical experiments or lab analysis.
A clean, modern illustration showing four test tubes filled with red, green, and blue liquids, plus an empty one, with corresponding droplet groups to the left.
Three test tubes with purple, green, and orange liquids in a lab rack.
A standard lab rack holding three test tubes filled with distinct colored solutions: purple, green, and orange-commonly used to demonstrate chemical reactions or pH indicators.
Wooden test tube rack holding six glass test tubes with varying liquid levels, some filled with pale yellow solution.
A classic wooden rack holds six test tubes, three containing pale yellow liquid, illustrating basic lab setup for experiments or demonstrations.
Four test tubes with green, orange, pink, and blue liquids in a rack, illustrating lab experiments or chemical analysis.
A clean, stylized illustration of four test tubes with distinct colored solutions, commonly used to depict laboratory testing or chemical reactions.
Test tube with red liquid beside an Erlenmeyer flask filled with green liquid, representing chemical experimentation.
A classic lab setup: a test tube holding red solution next to an Erlenmeyer flask with vibrant green liquid, symbolizing chemical reactions or experiments.
Five colorful test tubes with bubbling liquids-orange, yellow, green, blue, and purple-illustrating a chemical reaction or science experiment.
A row of five test tubes, each filled with a different colored liquid and rising bubbles, symbolizing active chemical reactions in a classroom or lab setting.
A hand-drawn illustration of a glass test tube containing granular solid material at the bottom, tilted diagonally on white background.
A classic test tube filled with a granular solid sample, commonly used to demonstrate basic lab procedures in chemistry education.
Laboratory setup showing a round-bottom flask connected via tubing to a test tube for gas collection or distillation.
A classic lab diagram illustrating gas collection or simple distillation using a round-bottom flask and test tube.
Smiling cartoon test tube with green liquid, winking and happy, on black background.
Meet our happy lab assistant-a winking test tube full of vibrant green solution!
Purple stylized letter "E" with three horizontal cutouts on a black background.
A modern, high-contrast purple letter “E” with three horizontal negative-space bars-perfect for tech or design-forward brands.
Isometric illustration of colorful test tubes in a lab rack, representing scientific experiments or chemical analysis.
A clean, modern isometric view of multicolored test tubes arranged in a two-tier lab rack, perfect for illustrating scientific experimentation.
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