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7J Electricity (Switches and current (What is current?, How is current…
7J Electricity
Switches and current
What is current?
How is current measured
How do switches work?
What happens to current when we add bulbs?
Using electricity
Some rules for electrical safety
What do fuses and circuit breakers do?
How are wires connected in a plug?
How does a fuse work?
(
https://www.youtube.com/watch?v=BLIYsRwKrkE
)
Changing the current
How should a voltmeter be placed in a circuit?
What happens to current when we increase voltage?
What happens to current when resistance increases?
Models of electricity
Why do we use models?
Explain one model of electricity
Tables
What are the benefits of using tables?
Data can be organised alphabetically
Its easier to spot patterns
What is the difference between qualitative and quantitative data?
Series and parallel
Series
What is it?
How is it affected by switches
What happens to current if more bulbs are added
Current is the same at all points
Link Title
Parallel
What is it?
How is it affected by switches?
What happens to current if more bulbs are added?
Current splits up down branches