OUTCOME
By the end of the lesson you will recognise the timeline of the early universe and be able to describe the significant features of the the early universe.
Engage
The CMB, Cosmic Microwave Background is the left over imprint of the making of all atoms and nuclei in the universe.
LEARNING TASKS
Explain
1. What is Cosmic Background Radiation
(a) Where did it originate from?
(b) Why does it look the way it does now?
2. Use the above link to help create an overall timeline of the Big Bang which describes the key features of the following 'eras':
The Quark Era, The Hadron and Lepton Era, The Nucleosynthesis Era, The Opaque Era.
Explore and Elaborate
Evaluate
Questions:
Q18, 20, 21, 23, 27, 28, 31