Product details

Transpiration of leaves with Cobra4

Transpiration of leaves with Cobra4

Item no.: P4110360

Experiment Type: Teacher Experiment, Laboratory Experiment

Difficulty Expenditure of Time print
  • Description
  • Scope of Supply
  • Downloads and Documents

Principle

Plants "sweat" just as people do and are thereby physiologically and morphologically suited to their specific environment. They transpire at high temperatures and pass water to the environment. Transpiration also serves for the transport of water and nutrients. The underpressure that is caused by transpiration draws water up from the roots, substances are transported further.

Benefits

  • Compact, easily transportable setup
  • For both demonstration and student experiments
  • Flexible experimenting thanks to wireless data transmission
  • Additional experiment in plant physiology and biochemistry can be performed with few modifications
  • Data acquisition with tablets possible
  • With detailed experiment guide

Tasks

  1. To prepare and analyse diagrams to illustrate the transpiration of plants, depending on different environmental conditions.
  2. To discuss the reasons of the differences of the pressure curve decrease.

What you can learn about

  • Transpiration
  • Water and nutrients transport
  • Influence of wind
  • Temperature
  • Humidity and type of leaves
Document     Filesize
p4110360e.pdf Experiment guide, English 1.09 MB

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