1. Set up and light a 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 the length of metal rod
4. Clamp one end of the metal rod to a retort stands
5. Position the retort stand so the unclamped end of the metal rod is in the Bunsen flame and start the stopwatch
6. Record the time it takes for each pin to drop on the table below
Explanation: The heat was transfering down the rod which made the pins vibrate thne they fell off when the heat became to much and that traveled down the line
Results:
Pin Number
|
Time to drop (s)
|
1
|
12
|
2
|
27
|
3
|
50
|
4
|
1:49
|
