20th oct. 2019
Observing Convection Currents
Aim: To observe a convection current.
Equipment:
Large beaker, potassium, permanganate ice cube with wire attached, bunsen burner, tripod, heatproof mat, cold water.
Method:
1. Set up the equipment as shown in the diagram. Hang your potassium permanganate ice cube on the beaker on the opposite side to the bunsen.
2. Light the bunsen burner and adjust the gas top untill you have a low, blue flame.
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