The dropping pin Experiment
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Aim- To observe conduction along and metal rod.
Equipment- A metal rod,Retort stand and clamp, Bunsen burner, Petroleum jell,5-10 drawing pins, Stop watch.
Method
1.Set up and light the Bunsen Burner
2.Smear a small amount of petroleum jelly on to the head of each drawing pin.
3.Attach the drawing pins at even intervals along a lengthen of metal rod
4.Clamp one end of the metal road to a retort stand.
5. position the retort stand so the unclamped en of metal rod is in the Bunsen flame and start the stop watch
6.Record the time it takes for each pin to drop in the table below.
Obersevation
Pins Time of dropping
Blue 18 second
Gold 44 seconds
Green 1.25 mintues
Sliver 2.04 mintues
Black 3.54 mintues
Thank you for this blog post Jaleel! Make sure we are explaining what it is we are observing and maybe a picture or two. But keep up the good work!
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