Aim
To observe convection in a gas.
Equipment
-Scissors
-Paper Spiral Pattern
-String
-Source of Heat (Boiling Water, Radiator, Etc)
Method
-Cut out a spiral pattern.
-Tie a length of the cotton through the hole on top of the spiral.
-Hold the spiral 30-40 cm above a heat source such as a Bunsen Burner.
-Observe.
Observations
-The spiral spun continuously in a circle.