Gas Convection Apparatus
Classic Demonstration of Convection Currents
Place a lighted candle under one chimney, then use a smoke source over the other chimney to reveal the flow of convection currents. The apparatus consists of a 22 × 9 × 10cm metal box with a glass front panel, two chimneys and a candle. Complete with instructions. Requires a smoke source, such as our Touch Paper, not included.
氣體對流裝置
在一玻璃管下放一點燃的蠟蠋,並在另一管口上置一產生煙霧的東西,
如此可觀察氣體流動的情形。此裝置包含有一長22公分,寬9公分,高
10公分及一面為玻璃板的金屬盒,及兩個管子和一根蠟蠋。附有說明
書, 需自備一可產生煙霧的東西。