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Homeostasis and response
Energy transfers (a2 only)
Infection and response
Responding to change (a2 only)
Cell biology
Organisms exchange substances with their environment
Biological molecules
Organisation
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
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1c the tudors: england, 1485-1603
2m wars and welfare: britain in transition, 1906-1957
Inter-war germany
1f industrialisation and the people: britain, c1783-1885
World war two & the holocaust
1l the quest for political stability: germany, 1871-1991
Britain & the wider world: 1745 -1901
Medieval period: 1066 -1509
2d religious conflict and the church in england, c1529-c1570
The cold war
2o democracy and nazism: germany, 1918-1945
2n revolution and dictatorship: russia, 1917-1953
2s the making of modern britain, 1951-2007
World war one
Britain: 1509 -1745
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anna
18/10/2023
Physics
Current & Potential Difference
Discover what current and potential difference are in this Year 9 science guide. Learn the equation that links current, potential difference, and resistance. Find out what potential difference ratings tell you and how power, potential difference, and current formulas work. Get answers to your questions with easy notes, straight from GCSE and KS2. We explain series and parallel circuits, and help you understand how current is measured. Perfect for Year 9 students!
18/10/2023
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Flow of charge
What is current?
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Year 9 Current and Potential Difference
anna
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