Making and using a straw potometer
ResourceThis is a quick and easy way to demonstrate how to use a potometer to measure the rate of transpiration in a plant. Though not necessarily practical for every student to set up in their own home, this setup allows students to revise what a potometer does and gives an opportunity for them to investigate further if they want to.
Your FAQs Answered
Q: Where can I obtain the straws?
A: The straws are “sip straws” and can be obtained from Amazon. Type “Frappe Cocktail Straws 4inch Clear” into the search or click on this link.