Computer Interfacing

Transpiration

Objectives

In this experiment, you will:

• observe how transpiration relates to the overall process of water transport in plants.
• use a Biology Gas Pressure Sensor (or pressure sensor) to measure and graph the rate of transpiration.
• determine the effect of light intensity on the rate of transpiration of a plant cutting.
• determine the effect of humidity on the rate of transpiration of a plant cutting.
• determine the effect of wind on the rate of transpiration of a plant cutting.
• determine the effect of temperature on the rate of transpiration of a plant cutting.

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