Lab 9: Transpiration.

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Presentation transcript:

Lab 9: Transpiration

Lab 9: Transpiration Description test the effects of environmental factors on rate of transpiration temperature humidity air flow (wind) light intensity

Lab 9: Transpiration Concepts transpiration stomates guard cells xylem adhesion cohesion H bonding

Lab 9: Transpiration Conclusions transpiration transpiration  wind  light transpiration  humidity

Results: Transpiration Rate Courtesy of Cheryl Massengale Water Level in Millimeters Condition 0 Min. 10 Min. 20 Min. 30 Min. Room 69.1 Fan 73.6 72.8 .8 72.0 1.6 Light 73.0 72.5 .5 72.2 71.8 1.2 Mist 72.3 .2 71.9 .6