A complete lesson covering sections 5.5.3 d-o of the OCR Physics specification- the big bang theory, the cosmological principle, the Doppler effect and red shift.
The lesson starts by covering the Doppler effect in sound and how this also applies to red shift in light. It the covers how this and CMBR act as evidence for the origins of the universe in the big bang. It covers the Hubble constant, how its value is not exact and how it can be sued to estimate the age of the universe. The lesson closes by looking at the events immediately following the big bang and how the universe is believed to have changed.
The lesson includes lots of calculations and multiple student activities
All answers are provided
I aim tor educe photocopying so all resources are within the PPT- a total of 50 slides
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£3.00