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Note that most of the ideas used here are typically covered at school before the age of 16, although possibly in mathematics, physics or chemistry.
In estimation questions don't be afraid to have a go with a guess at some numbers in the problem and then to refine your estimate after checking it makes some sort of sense.
Although there is no 'right' answer to an estimation, there are good or bad estimates and sensible or over detailed calculations.
Think how you might make your estimation a good one, and think how it makes sense to ignore certain complexities in particular calculations.
Big and Small Numbers in Physics - Group Task
Age 16 to 18
Challenge Level 
Note that most of the ideas used here are typically covered at school before the age of 16, although possibly in mathematics, physics or chemistry.
In estimation questions don't be afraid to have a go with a guess at some numbers in the problem and then to refine your estimate after checking it makes some sort of sense.
Although there is no 'right' answer to an estimation, there are good or bad estimates and sensible or over detailed calculations.
Think how you might make your estimation a good one, and think how it makes sense to ignore certain complexities in particular calculations.
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