AQA Science © Nelson Thornes Ltd 2006 1 P3 4.2 Stars and space 22 October 2015 Twinkle, twinkle little star how I wonder what you are Describe what you.

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Presentation transcript:

AQA Science © Nelson Thornes Ltd P3 4.2 Stars and space 22 October 2015 Twinkle, twinkle little star how I wonder what you are Describe what you think a star is and how it powers itself. Brian Cox introduces today’s lesson: herehere And then describes how stars form and die: herehere Objective Be able to describe the life cycle of massive stars

P3 4.2 AQA Science © Nelson Thornes Ltd OUTCOMES ALL MUST KNOW that A star goes through a life cycle (limited to the life cycle of stars of similar size to the Sun and stars much larger than the Sun). MOST: Fusion processes in stars produce all naturally occurring elements. SOME: These elements may be distributed throughout the Universe by the explosion of a star (supernova) at the end of its life.

P3 4.2 AQA Science © Nelson Thornes Ltd Image from: Hot Star Research Group

P3 4.2 AQA Science © Nelson Thornes Ltd

P3 4.2 AQA Science © Nelson Thornes Ltd

P3 4.2 AQA Science © Nelson Thornes Ltd Make a revision poster of the lifecycle of a massive star Use pages 270 and 271 from AQA GCSE Collins books Criteria: A Diagram showing the lives of medium and large stars A description of how fusion powers medium and large stars An explanation of how heavy elements are formed and distributed about the universe. Useful revision tool

P3 4.2 Plenary Finish off a new verse for the nursery rhyme: Twinkle, twinkle medium (or large) sized star now I understand what you are… AQA Science © Nelson Thornes Ltd

P3 4.2 Tell me two things... (for each) that you have done well this session (www) that you could do better next time (ebi) that you know now that you didn’t know at the start that you would like to know more about