Convection in Air Apparatus (Metal Box with Glass Chimneys)

The Convection in Air Apparatus is a classic and highly effective teaching resource designed to clearly demonstrate convection currents in air. Ideal for use in school science laboratories, this apparatus allows students to visually observe how warm air rises and cooler air sinks, reinforcing key concepts in thermal physics and heat transfer.

The unit consists of a robust metal box measuring 220 × 100 × 165mm, fitted with a sliding glass front panel to allow safe and clear viewing of airflow inside the chamber. Two detachable glass chimneys are mounted on the top of the box, enabling comparative demonstrations of air movement when heat is applied to one side of the apparatus.

When used with candles (not included), the apparatus provides a striking visual demonstration of convection: warm air drawn up one chimney while cooler air is drawn down the other. The design allows experiments to be repeated reliably and safely, making it ideal for classroom demonstrations and student observation.

Key Features

• Demonstrates convection currents in air
• Durable metal box construction
• Sliding glass front for clear and safe observation
• Two detachable glass chimneys for airflow comparison
• Compact size ideal for classroom benches
• External dimensions: 220 × 100 × 165mm
• Candles not included

Ideal for School Science Lessons & Classroom Demonstrations

The Convection in Air Apparatus is perfectly suited to KS3, GCSE, and introductory A‑Level physics, helping students gain a clear, visual understanding of how heat energy is transferred through gases.

• Demonstrating convection currents in air
• Explaining how warm air rises and cool air sinks
• Supporting lessons on heat transfer and thermal energy
• Reinforcing theory with a clear practical visual model
• Ideal for teacher demonstrations and group discussion

Sturdy, easy to use, and highly visual, this convection apparatus is an excellent teaching aid that helps bring abstract physics concepts to life while promoting safe and engaging science lessons.