Task 5: Preparing for difficult questions [D5 and D6]
All of the ideas about the universe are only ‘theories’.
You need to make sure you can justify each theory. You will have to evaluate each theory to explain why it is valid.
Here are some videos to help. You may use text books and the internet to find more information.
Big Bang Theory
http://www.bbc.co.uk/science/space/universe/questions_and_ideas/big_bang#p009fkpj
http://www.bbc.co.uk/science/space/universe/questions_and_ideas/big_bang#p009gt97
Complete the PMI tables about the big bang and the changing universe theory.
The Big Bang Theory [for D5]
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Changing Universe Theory [for D6]
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