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Living things and the processes of
life
 The processes of life |
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Pupil Activity
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Method:
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Sitting quietly, count how many breaths you take in 20 seconds.
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A breath is the air you take in and breathe out each time.
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Multiply this by 3. This will give you the number of breaths
you take in a minute. (There are 60 seconds in a minute).
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Repeat this process two more times.
Copy and complete the table below.
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Number of breaths in 20 seconds |
Projected number
of breaths in a minute |
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a |
3 x a |
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b |
3 x b |
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c |
3 x c |
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Average breaths / minute
---> |
(a + b + c)/3 |