Free tools to create, edit and explore clipart - only on Clipart Library.

Edit Any Image Create Worksheet 🎅 Generate Up to 6 ImagesNEW

Collection of Test Tube Art (53)

Looking for Test Tube Art? Here you will find a carefully collected gallery of free images in high quality. Each Test Tube Art 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.

Five colorful test tubes with bubbling liquids-orange, yellow, green, blue, and purple-illustrating a chemistry experiment.
A set of five test tubes filled with orange, yellow, green, blue, and purple bubbling solutions, perfect for visualizing chemical reactions.
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.
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.
Green liquid in a tilted laboratory test tube with measurement markings.
A classic lab test tube containing bright green liquid, marked with measurement lines for precise volume reading.
Blank white vertical rectangle centered on black background, minimalist placeholder design.
A clean, neutral vertical placeholder-perfect when you’re designing layouts before final assets arrive.
Simple line drawing of an empty glass test tube with open top and rounded bottom.
A minimalist outline of a classic laboratory test tube-ready for labeling, experiments, or diagram integration.
Hand holding a glowing test tube with purple liquid and sparkles, symbolizing scientific discovery or lab testing.
A hand carefully holds a test tube filled with bubbling purple liquid, radiating light to signify breakthrough or experimentation.
A clear glass test tube filled with light green liquid, angled against a black background.
A laboratory test tube holding a vibrant green solution-commonly used to represent chemical reactions or biological samples.
Black line drawing of a laboratory test tube with measurement markings on white background.
A classic lab test tube with graduated measurement lines, commonly used in chemistry and biology experiments.
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 lab rack, shown in three rows for comparative analysis.
A stylized diagram showing four test tubes with distinct liquid colors arranged in a multi-tiered rack for experimental comparison.
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.
Four labeled test tubes with blue caps containing purple, peach, pink, and yellow liquids against a black background.
Color-coded test tubes commonly used in clinical labs to indicate different sample types or reagents.
Pink liquid in a black-outlined test tube icon, symbolizing science or lab testing.
A stylized test tube filled with bright pink liquid-commonly used to represent scientific experiments or chemical analysis.
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.
Illustration of a glass test tube with gray liquid and measurement markings, used in scientific contexts.
A standard laboratory test tube filled to the 3/4 mark, showing clear volume gradations for precise measurements.
Green liquid in a transparent test tube with measurement markings, stylized lab icon.
A stylized test tube containing green liquid, commonly used to represent chemistry experiments or scientific testing.
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 evolution through visible bubbles.
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.
Colorful test tubes filled with liquids arranged in a wooden rack, illustrating a chemistry lab setup.
A classic lab rack holding eight test tubes with colorful liquids-perfect for teaching basic chemistry concepts.
Bright green stylized letter "E" with three horizontal cutouts on a black background.
A minimalist, glowing green “E” icon-clean, modern, and instantly recognizable.
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.
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 data analysis.
A clean, modern isometric view of multicolored test tubes arranged in a two-tier lab rack-perfect for visualizing lab processes or data sets.
A stylized test tube with orange liquid and black measurement markings on a white background.
A simple yet clear illustration of a laboratory test tube containing an orange solution, commonly used to represent chemistry or scientific testing.
A hand-drawn illustration of a glass test tube containing granular solid material at the bottom, tilted diagonally.
A classic test tube with a solid sample-commonly used to demonstrate chemical reactions or sample preparation in labs.
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.
Four medical test tubes with blue caps, each containing a different colored liquid: purple, beige, pink, and yellow.
Color-coded test tubes help labs quickly identify sample types: purple (EDTA), beige (serum separator), pink (EDTA for hematology), and yellow (serum).
Cartoon-style toothpaste tube with red cap and bold "TOOTHPASTE" label on light blue background.
A playful, hand-drawn toothpaste tube with a red cap and bold labeling-perfect for explaining oral hygiene basics.
Smiling cartoon test tube with green liquid and a friendly face, isolated on black background.
A happy, anthropomorphic test tube brings fun to chemistry and biology lessons.
Blue liquid bubbling in a conical flask, symbolizing scientific experimentation and chemical reaction.
A classic Erlenmeyer flask containing reactive blue solution, visualizing a chemical reaction in progress.
Open notebook with a blue pen resting on the right page, minimalist flat design illustration.
A simple open notebook with a pen ready for notes or journaling-perfect for study or creative planning.
Laboratory setup showing a test tube (a) heated by a flame, connected via delivery tube to an inverted gas collection bottle over a stand.
A labeled diagram of a gas collection setup: solid reactant in test tube 'a' is heated, producing gas that travels through a delivery tube into an inverted collection bottle.
Animated green liquid in a test tube with a surprised face, framed by a blue magnifying glass over a grassy background.
A cheerful yet startled green liquid peeks out from its test tube, as if just discovering something amazing in the lab!
Line drawing of a laboratory separatory funnel with liquid layer and stopcock open, showing separation process.
A classic separatory funnel diagram showing two immiscible liquid layers and an open stopcock releasing the lower phase.
Laboratory setup showing a test tube clamped horizontally with a delivery tube leading to another test tube, and a lit splint nearby for gas testing.
A classic chemistry lab setup for generating and testing gases: gas evolves from the heated reaction tube, travels through the delivery tube, and is collected or tested with a glowing splint.
Blank image placeholder with no visible content.
A blank image placeholder-used when the intended visual is missing or pending upload.
Bucky Badger in a lab coat and red sweater, holding a flask with red liquid.
Bucky Badger channels scientific curiosity, proudly representing UW-Madison’s academic excellence and research tradition.
A cheerful cartoon test tube character with green liquid, smiling face, arms, legs, and a badge with colorful blocks.
A happy, anthropomorphic test tube with a green liquid body, wearing a lab coat and badge-ideal for making chemistry fun!
Cartoon microbes in a petri dish with lab tools, showing friendly and angry bacteria characters.
Meet the smiling friendly microbe and its grumpy counterparts in this interactive science illustration!
Orange and gray notebook with lowercase 'a' on cover, minimalist design
A modern, two-tone notebook with an elegant lowercase 'a'-simple, stylish, and ready for your ideas.
Lab setup showing a separatory funnel with coiled condenser, red liquid in beaker, and green base-illustrating distillation or extraction.
A schematic lab setup featuring a separatory funnel connected to a spiral condenser, with collection vessels below.
Green book with orange bookmark and stylized reading icon on cover, vector illustration.
A clean, modern green book icon featuring a bookmark and subtle reading motif-perfect for digital learning platforms.
A cartoon character with striped hair peeks out from inside a transparent hanging pouch against a pastel zigzag background.
A curious little character with striped hair pops out of a soft, translucent pouch-ideal for lighthearted storytelling or app onboarding screens.
Stack of three colorful books in green, maroon, and gray, stylized flat design icon.
A minimalist illustration of three stacked books in green, maroon, and gray tones.
Three glass test tubes with layered liquids in yellow, orange, and purple hues against a white background.
Three Pyrex test tubes showing distinct liquid layers: clear with bubbles, amber over pale yellow, and violet over yellow-highlighting immiscibility and density differences.
Lab test tube, blue tie, black sneaker, blue glasses, and colorful bowtie arranged in a flat design.
A whimsical lineup blending scientific tools with everyday style-from test tubes to bowties.
A cartoon-style Erlenmeyer flask overflowing with bubbling green liquid and gas, depicting a vigorous chemical reaction.
A fun, exaggerated depiction of a vigorous chemical reaction in a lab flask, perfect for engaging young learners or illustrating lab safety concepts.
Two glass test tubes side by side, one with light blue liquid and the other with dark blue liquid, against a white background.
Left: pale blue solution; right: deep cobalt blue-demonstrating concentration or chemical reaction differences.
Three cheerful cartoon characters: a glass of orange juice, a pink candy, and a paintbrush, each with expressive faces and limbs.
Meet the happy crew: juice, candy, and paintbrush-each bringing fun and personality to your design!
Miniature Dwellings Suspended Inside Test Tubes by Rosa de Jong ...
Miniature Dwellings Suspended Inside Test Tubes by Rosa de Jong ...
Test Tube Perspective Drawing - Funny Science Fiction Books to Decorate Test Tubes, Handmade Microscene Ornaments, Test Tube Diorama, Creative ...
Test Tube Perspective Drawing - Funny Science Fiction Books to Decorate Test Tubes, Handmade Microscene Ornaments, Test Tube Diorama, Creative ...
Test Tube Perspective Drawing, Test Tube Diorama, Test Tube Micro Scene Fandicraft Ornaments, Fun Sci-Fi Books for Decorating Test Tubes, Wonderful ...
Test Tube Perspective Drawing, Test Tube Diorama, Test Tube Micro Scene Fandicraft Ornaments, Fun Sci-Fi Books for Decorating Test Tubes, Wonderful ...