The Uses for Test Tubes

Test tubes are used primarily in science and medicine laboratories for the purposes of experimentation and testing. They come in various sizes, but usually hold 200 milliliters or less, and have the ability to store small samples of materials as well as contain reactions. Young children often learn how to experiment using test tubes in science classes and with home chemistry sets. Test tubes may also be used for decorative or organizational purposes in the home, office, or for events such as weddings. Test tubes can be found and purchased anywhere science supplies are sold.

Uses in Science

• Test tubes are often used in lab experiments for scientific purposes. Common uses include titrating compounds that need to be separated, centrifuging compounds, and testing the solubility of solutions. Chemical reactions that may be examined in test tubes include combining metals and acids to create new compounds or using a solution to change the properties of an object placed in the test tube. They can be used to hold various living organisms in biological experiments, such as mold or plant cuttings. Test tubes are an integral part of a home or research science lab.

Uses in Medicine

• Medical labs use test tubes to hold and examine all types of fluids and tissues. Blood, urine and fecal matter are placed in test tubes and tested for irregularities. Many scientific tests can be performed from a medical perspective utilizing test tubes, such as examining an individual's lipids, which can be helpful in determining disease. The medical field also uses test tubes to store many types of samples in order to do future testing if needed and for the study of genetics in research labs.

Non-Traditional Uses

• Test tubes can be used for decorating or organization, even though that is not their original purpose. Test tubes can be placed in a test tube rack, filled with water, and used as a centerpiece to hold flowers. They can be painted and attached to the wall for an interesting vase for flowers or to hold objects. They can be used to organize bulk kitchen spices, as they simply need to be filled up, capped and labeled, and placed in a test tube rack for easy kitchen access. Test tubes can also be used to hold candy or other goodies for guests to take home with them from parties or weddings.