Leaf Transpiration 

In "Tropic Topic" find out how scientists compared the chemistry of the leaves and soils in northern wet and southern dry karst forests in Puerto Rico. Did one location use water more efficiently than the other? Then use the FACT-ivity to conduct your own experiment in transpiration using a zip-top bag and house plants.

Article:

Tropic Topic - Caves and Karst Edition

Activity:

FACTivity (pg. 31-32)