Understanding Temperature Readings: Thermometer Visual Guide #3251390 (License: Personal Use)

This hand-drawn thermometer features a black glass tube with a bulb at the base containing red liquid (representing mercury or alcohol), rising to approximately 40°C. Markings are labeled in colored handwritten style: 20°C in blue (lower), 30°C in green (mid), and 50°C in red (upper), helping visualize temperature gradation. The background includes soft lavender shading for visual contrast.

Used in educational content for weather science, health (fever tracking), or HVAC explanations; ideal for K-12 curricula, infographics, or beginner-friendly climate articles where visual literacy matters.