Test Tube with Green Liquid - Science Lab Illustration #1858938 (License: Personal Use)

This vector illustration shows a transparent glass test tube with a rounded bottom and black outline, filled halfway with luminous green liquid. Horizontal calibration lines indicate volume measurements, enhancing its realism for scientific contexts. The glossy surface and gradient shading give it a modern, clean appearance suitable for digital learning tools.

Used on educational websites, science blogs, or lab equipment pages to visually represent chemical experiments, biology demonstrations, or STEM learning materials; matches user intent for visual aids in academic or instructional content.