"gel box"

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. Includes activity guide.

This lab helps students discover the edicts of dew point and relative humidity.

Students will be able to actually see a normally invisible convection current in action and understand how hot and cold air make the current flow.