The hottest part of a flame

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Edit   Delete - Last Modified By: dna at 12/12/2013 4:35:31 PM

What can you suggest about the temperature of a red flame compared with a blue flame?

 

Edit   Delete - Last Modified By: dna at 19/12/2013 11:50:56 AM
You should read through this before coming to class.
Edit   Delete - Last Modified By: rdu at 10/02/2015 2:44:43 PM

Watch this video to see how the temperature of a paper clip changes depending on its location in the Bunsen burner flame

Edit   Delete - Last Modified By: rdu at 10/02/2015 2:50:23 PM

Bunsen burners are a common article that you would find in a science lab, but who came up with the idea to make them?  The below clip will give you information about the history of the Bunsen burner.

Edit   Delete - Last Modified By: dna at 19/12/2013 11:52:44 AM

Prior to class

Read through this before coming in to class

Edit   Delete - Last Modified By: dna at 19/12/2013 12:29:37 PM

Practical exercises:

1. Light a Bunsen burner, following all correct steps and safety procedures.

2. Go to the attached link and complete part A of the second practical activity ("Hot or Cool?")

3. Turn the gauze mat so that it is horizontal. Place it over the (blue) flame just at the very top of the barrel. Slowly move the mat upwards noting how the colour and shape of the heat spot changes on the gauze mat.

4. From this activity, write a conclusion about which part of the flame was the hottest and what evidence there was for this conclusion.

Edit   Delete - Last Modified By: dna at 10/01/2014 11:37:46 AM