Difference between revisions of "Bunsen Burner"
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Latest revision as of 11:55, 1 December 2019
Contents
Key Stage 3
Meaning
A Bunsen Burner is a piece of equipment used for heating.
About Bunsen Burners
- Bunsen Burners use a flammable gas which burns to produce a flame.
- A Bunsen Burner has a valve at the bottom to allow in air. This valve can be turned to allow more or less air for combustion.
- If the valve on a Bunsen Burner is open it lets a lot of oxygen in so the flame may appear blue or may be difficult to see. This is a roaring flame at a high temperature.
- If the valve on a Bunsen Burner is closed less oxygen gets in, so the flame may appear yellow. This 'safety flame' is at a lower temperature. It is safer because it can be more easily seen and is a lower temperature.
A diagram of a Bunsen Burner. |
Key Stage 4
Meaning
A Bunsen Burner is a piece of equipment used for heating.
About Bunsen Burners
- Bunsen Burners use a flammable gas which burns to produce a flame.
- A Bunsen Burner has a valve at the bottom to allow in air. This valve can be turned to allow more or less air for combustion.
- If the valve on a Bunsen Burner is open it lets a lot of oxygen in so the flame may appear blue or may be difficult to see. This is a roaring flame at a high temperature.
- If the valve on a Bunsen Burner is closed less oxygen gets in so there is incomplete combustion, so the flame may appear yellow due to glowing particles of soot. This 'safety flame' is at a lower temperature. It is safer because it can be more easily seen and is a lower temperature.
A diagram of a Bunsen Burner. |
References
AQA
- Bunsen burners (using), page 290, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Bunsen burners (using), page 370, GCSE Biology, CGP, AQA
- Bunsen burners, page 127, GCSE Biology; The Revision Guide, CGP, AQA
- Bunsen burners, page 238, GCSE Combined Science; The Revision Guide, CGP, AQA
- Bunsen burners, page 239, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- Bunsen burners, page 317, GCSE Chemistry, CGP, AQA
Edexcel
- Bunsen burners, page 112, GCSE Chemistry; The Revision Guide, CGP, Edexcel
- Bunsen burners, page 211, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Bunsen burners, page 318, GCSE Biology, CGP, Edexcel
- Bunsen burners, page 337, GCSE Physics, CGP, Edexcel
- Bunsen burners, pages 319, 325, GCSE Chemistry, CGP, Edexcel
OCR
- Bunsen burners, page 105, GCSE Chemistry; The Revision Guide, CGP, OCR Gateway
- Bunsen burners, page 111, Gateway GCSE Biology; The Revision Guide, CGP, OCR
- Bunsen burners, page 223, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR
- Bunsen burners, pages 148, 264, Gateway GCSE Chemistry, Oxford, OCR