Transcript No Slide Title

Stars and space
4.2
16 JulyP32015
Objective
Be able to describe the life cycle of
massive stars
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: here
And then describes how stars form and die: here
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P3 4.2
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.
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Image from: www.star.ucl.ac.uk/groups/hotstar
UCL Hot Star Research Group
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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
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Plenary
• Finish off a new verse for the nursery
rhyme:
• Twinkle, twinkle medium (or large) sized
star now I understand what you are…
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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
P3 4.2