Transpiration in a Plant Leaf
Studying the movement of water within a plant and Measuring change in pressure as the plant transpires.
Lab Summary
In this experiment, students study the movement of water within a plant, measuring a change in pressure as the plant transpires.
Published: November 2001
Downloads
- Transpiration in a Plant Leaf - PASPORT (35 KB, .zip)
Includes experiment setup and procedures
- Transpiration in a Plant Leaf - ScienceWorkshop (40 KB, .zip)
Includes experiment setup and procedures
Here's What You Need
U.S. Educator prices shown.
Probeware (PASPORT Systems)
Xplorer GLX (PS-2002) - $329
The Xplorer GLX is a data collection, graphing, and analysis tool designed for science students and educators.
PASPORT Barometer/Low Pressure Sensor (PS-2113A) - $89
Measures atmospheric pressure changes and doubles as a low pressure sensor. For use with PASPORT Interfaces.
Probeware (ScienceWorkshop Systems)
750 Interface, USB (CI-7650) - $659
The 750 Interface allows students to measure force, temperature, pressure, angular velocity, acceleration, current, & magnetic field with a built-in function generator and oscilloscope mode.
Low Pressure Sensor (CI-6534A) - $119
Designed with a high degree of sensitivity to measure minute pressure changes.
Other Materials
- Plant or seedling, 12-15 cm tall
- Knife or razor blade, bowl of cold water, petroleum jelly
- Lab stand, 2 clamps, glycerin, electric fan