Education

Demonstrates the flow of convection currents in a gas. Place a small, lit candle under one open chimney, the use touch paper or a wood splint to introduce smoke into the opposite chimney.

This apparatus consists of a metal box (22 x 10 x 11cm), with clear acrylic front panel, two glass chimneys, a candle, and a cotton filled wick as the smoke source. An instruction sheet is also included.

Illustrates the properties of convection current. The water and dye filled glass frame is heated at the bottom corner.

Illustrates the properties of convection current. The water and dye filled glass frame is heated at the bottom corner.

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex

Glass with ground edges - Double Convex