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Collection of Test Tubes (30)

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

A blue and green bandage with brown spots.
The image is an illustration of a bandage or bandage. It is a rectangular shape with a flat top and a curved bottom. The bandage is divided into two sections, with the top section being green and the bottom section being blue. The green section has small brown dots scattered across it, while the blue section is a darker shade of blue. There is also a small brown triangle on top of the bandage, which is likely used to attach it to a piece of paper or cardboard. The overall design is simple and cartoon-like.
a green beaker with a black and white background
The image is a black and white illustration of a graduated cylinder. The cylinder is made up of a long, narrow body with a wide opening at the top and a narrow neck at the bottom. The body of the cylinder is filled with a bright green liquid, which appears to be a mixture of different colors. The liquid is flowing from the top of the body to the bottom, creating a smooth and shiny surface. The overall design is simple and minimalistic.
Orange liquid in a black-outlined Erlenmeyer flask on green background, stylized science icon.
A stylized Erlenmeyer flask containing orange liquid, representing chemical reactions or lab experiments.
A row of test tubes filled with different colored liquids.
The image shows a row of six test tubes arranged in a horizontal line. The test tubes are of different colors - purple, yellow, green, pink, blue, and purple. Each test tube has a small amount of liquid in it, which appears to be a mixture of different liquids. The colors are arranged in two rows, with the purple tube on the left, the yellow tube in the middle, the green tube at the bottom, and the pink tube on top. The tubes are connected by a black metal rod. The background is white.
a black and white image of a thermometer
The image is a black and white line drawing of a graduated cylinder. The cylinder is elongated and has a narrow neck with a vertical line running down the middle. The line is evenly spaced and appears to be made up of vertical lines. The background is plain white.
a green thermometer on a white background
The image is a black and white illustration of a thermometer. The thermometer is in the shape of a triangle with a pointed tip and a narrow neck. The body of the thermometer has a green liquid inside, which appears to be a mixture of green and yellow colors. The liquid is slightly curved and has a slight curve at the bottom. The overall design is simple and minimalistic.
Illustration of a clear Erlenmeyer flask containing bright pink liquid, commonly used in chemistry education and lab visuals.
A classic conical Erlenmeyer flask holding a vivid pink solution, symbolizing chemical reactions or titration experiments in teaching materials.
A set of test tubes on a wooden stand.
The image shows a set of four test tubes arranged in a horizontal row on a wooden stand. The test tubes are cylindrical in shape and have a transparent glass body. The stand is rectangular in shape with a flat base and a flat top. The background is a light brown color. The image is a cartoon-like illustration of a laboratory setup.
Black-outlined test tube filled with red liquid and measurement markings on a transparent background.
A stylized test tube containing red liquid, commonly used to represent chemical experiments or lab diagnostics.
laboratory flasks and beaks clipart
The image shows a laboratory setup with various laboratory equipment. On the left side of the image, there is a conical flask with a red liquid in it, a flask with green liquid, and a beaker with a yellow liquid. Next to the conical flasks, there are six test tubes with different colors - red, blue, green, and purple. The test tubes are arranged in a row, with the red tube on the right side, the blue tube in the middle, and the yellow tube at the bottom. There are also several bubbles floating in the air, indicating that the laboratory is in the process of being
A line drawing of a glass test tube containing granular solid material at the bottom, tilted diagonally.
A classic scientific sketch showing a test tube with a solid substance settled at the base, commonly used to depict chemical or biological samples.
Six colorful test tubes in a wooden rack, illustrating a chemistry or science lab setup.
A classic lab setup: six test tubes filled with orange, yellow, blue, clear, green, and purple liquids, neatly arranged in a wooden rack.
a green beaker filled with green liquid
The image is a simple illustration of a laboratory flask. The flask is made of glass and has a conical shape with a wide base and a narrow neck. The top of the flask is filled with a cluster of green circles, which are arranged in a circular pattern. The circles are evenly spaced and appear to be floating in the air. The liquid inside the flask appears to be a bright green color. The overall design is simple and minimalistic.
Six clear glass test tubes arranged in a two-tiered rack, shown in isometric line drawing style.
A clean line-art depiction of six standard test tubes seated in a dual-level laboratory rack, useful for educational or technical documentation.
a purple tube with a blue dot on it
The image is a 3D illustration of a long, slender tube with a purple base and a blue top. The top of the tube has a small square with small white dots scattered across it. The tube appears to be made of a transparent material, possibly plastic or a similar material. The background is plain white.
Illustration of a round-bottom laboratory flask containing blue liquid, symbolizing chemistry or scientific experimentation.
A classic round-bottom flask filled with vibrant blue solution, commonly used to represent chemistry experiments and lab work.
A drawing of a laboratory flask with a pipe and a beaker.
The image is an illustration of three laboratory equipment. On the left, there is a blue conical flask with a long neck and a wide base. Next to it, there are two smaller conical flasks with long necks. The flask on the right is a conical conical with a pink liquid inside, which appears to be a mixture of pink and blue colors. The conical is placed on a wooden stand with a blue sphere at the bottom. The background is white. The image is drawn in a cartoon-like style with bright colors and simple lines.
A cartoon-style test tube filled with blue liquid and white bubbles, indicating a chemical reaction.
A stylized test tube showing a bubbling blue solution, commonly used to represent chemical reactions in science education.
a test tube with a yellow liquid in it
The image is a black and white line drawing of a test tube. The test tube is cylindrical in shape with a narrow neck and a wide base. It has a small opening at the top, which is filled with a yellow liquid. The liquid appears to be a mixture of different types of liquids, including yellow, black, and white. There are two black lines on the right side of the image, which could be a burst or a burst of light. The overall design is simple and minimalistic.
a test tube with three test tubes on a wooden stand
The image shows a laboratory setup with four test tubes on a wooden stand. The test tubes are cylindrical in shape and have a transparent glass body. The stand is rectangular in shape with a flat base and a flat top. The background is transparent, allowing the test tubes to stand out. The image is in a cartoon-like style.
a beaker with a number one and a number 2 on it
The image shows two tall cylindrical glass tubes with numbers 1 and 2 on them. The tubes are drawn in a simple, minimalist style with no shading or shading. The background is transparent, making the tubes stand out. The image appears to be a line drawing or illustration.
a laboratory flask with a pipe and a beaker on a table
The image is an illustration of a laboratory setup. It consists of two conical flasks, one with a blue liquid and the other with a pink liquid. The flasks are placed on a wooden stand with a small blue ball on top. There is also a purple pipe attached to one of the flasks. The background is white. The image appears to be a cartoon-like illustration.
A cartoon-style test tube filled with pink liquid and a light blue dotted cap.
A stylized test tube containing pink liquid, commonly used to represent chemical samples or lab experiments in educational materials.
Clear Erlenmeyer flask containing vibrant blue liquid, commonly used in chemistry labs for experiments and titrations.
A classic Erlenmeyer flask holding a bright blue solution, often representing chemical reagents or indicators in educational diagrams.
A stylized illustration of a pipette dispensing blue liquid into a test tube, symbolizing laboratory precision and scientific research.
A sleek, modern pipette carefully delivers a precise volume of blue reagent into a glass test tube, representing accuracy in laboratory procedures.
A stylized illustration of a glass test tube containing bright pink liquid with measurement markings.
A bold, simplified test tube filled with pink solution-perfect for representing chemistry, biology, or medical testing visually.
a cartoon scientist holding a clipboard and pen
The image is a cartoon illustration of a blue tube with a pink tube on its back. The tube has a big smile on its face and is wearing glasses. It is holding a clipboard with a blank white paper on it and is pointing to it with its right hand. There is a pink speech bubble above its head, indicating that it is happy and excited. The background is white.
a bunch of vials with red and blue caps
The image shows a group of 12 test tubes arranged in a pyramid-like formation. The tubes are made of transparent glass and have red caps on top. Each tube has a blue cap on the bottom. The caps are cylindrical in shape and appear to be made of plastic. The background is white, making the tubes stand out.
A rack with six test tubes on it.
The image shows a set of six glass test tubes arranged in a horizontal row on a blue shelf. The test tubes are of different sizes and shapes, with the largest one at the bottom and the smallest at the top. Each test tube has a white cap on top and a yellow handle on the side. The shelf appears to be made of plastic and has a blue base. The background is white.
A set of three clear plastic tubes on a white background.
The image shows three tall, cylindrical objects made of transparent glass. The objects are arranged in a triangular formation, with the tallest object on the left, the middle one in the center, and the two smaller ones on the right. All three objects appear to be empty and are standing upright on a white background. The glass is transparent and has a smooth, shiny surface. The tallest object is slightly larger than the two shorter ones and is slightly smaller than the one on the bottom. The other two objects are smaller and are slightly smaller in size. All the objects have a smooth and shiny appearance.