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Potometer

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Contents

Key Stage 4

Meaning

A potometer is device used to measure the water loss of a plant through transpiration.

Etymology

Poto - Ancient Greek for water. Hippopotamus (Horse of the Water).
Meter - To measure something.

About Potometers

A potometer can be used in investigate the effects of different factors on the rate of transpiration.
In this potometer a bubble moves along a pipe to indicate how much water has been lost by transpiration. In this potometer the water level is measured to determine how much water has been lost in transpiration.


References

AQA

Potometer, page 74-5, GCSE Biology; Student Book, Collins, AQA
Potometers, page 236, GCSE Combined Science; The Revision Guide, CGP, AQA
Potometers, page 69, GCSE Biology; Third Edition, Oxford University Press, AQA
Potometers, pages 44, 128, GCSE Biology; The Revision Guide, CGP, AQA
Potomoters, pages 93, 371, GCSE Biology, CGP, AQA

Edexcel

Potometers, page 132, GCSE Biology, Pearson, Edexcel