1. © Crown copyright 2011, Department for Education These materials have been designed to be reproduced for internal circulation, research and teaching or training purposes. They can be reproduced for free provided that this material is acknowledged as Crown copyright, reproduced accurately and not used in a misleading context. Adaptation of these materials for other languages is permissible, providing the original source is acknowledged. ROBERT BUNSEN: Follow-up work in Science lesson LinkedUp project: The evolution of language learning through science

2. © Crown copyright 2011, Department for Education. This resource has been created through the LinkedUp Award Scheme. EVALUATION Decide if you think using the spectroscope has any advantages and explain why you think this. Evaluate the two techniques you have used for flame testing – splints and wire loops – which do you think is the best method and why?

3. © Crown copyright 2011, Department for Education. This resource has been created through the LinkedUp Award Scheme. EXPLANATION Pattern of lines in emission spectrum is characteristic of the element Can you explain why?

4. © Crown copyright 2011, Department for Education. This resource has been created through the LinkedUp Award Scheme. APPLICATIONS Using more advanced apparatus emission spectroscopy can be used not only to detect the metal present in a sample but also to find out how much of the metal there is (its concentration). Describe very briefly this technique which is used for example to determine the levels of sodium (and other metals) in blood. Can you find any other applications of this technique?