test tube

Examples (10)

• Scientists often use test tubes for conducting experiments.
• The chemical reaction was carefully observed in a small test tube.
• She poured the clear liquid into the test tube with precision.
• A rack filled with various test tubes stood on the laboratory bench.
• They need to sterilize all the test tubes before starting the new project.
• Each test tube contained a different sample for analysis.
• The young student was excited to hold a test tube for the first time.
• Be careful not to drop the test tube, as it contains a valuable reagent.
• This particular test tube is designed for high-temperature reactions.
• The discovery was made after years of work in a simple test tube.