Celsius Thermometer Diagram - Temperature Measurement Guide #285567 (License: Personal Use)

This illustrated thermometer features a vertical glass tube with a red liquid column rising to ~22°C, marked clearly from -20°C to 40°C. The scale uses color-coded numerals (red for positive, blue for negative, green at zero) for intuitive reading. It’s designed for educational use, demonstrating basic thermometry principles.

Used in educational websites, science blogs, or weather-related content to explain temperature measurement; matches user intent for learning how thermometers work or converting/interpreting Celsius readings.