|For Teachers and Students:
Experiments and Projects with Duckweed
|Projects and Laboratory Exercises
This is a collection of ideas and links to sites with suggested experiments. Some of the links provide complete packages of materials, including protocols, data sheets and report formats. Others are more sketches of projects or suggestions. Many of them involve counting fronds to measure population growth, but many other biological or chemical parameters can easily be investigated using these plants. Two examples are plant dormancy and the growth and function of roots.
Right: Spirodela collected from a wetland.
Bioassays with duckweed by Stephen Tomkins. In Osmosis, the SAPS Newsletter, Homerton College, Cambridge, UK.
Student Sheet 21 - Measuring Duckweed (Lemna minor) with student and teacher notes. Roger Delpech, Haberdasher's Askes' School
method and biological concepts demonstrated using
by G. Robinson (1988) School Science Review, 69(248), 505-508
for Science Education, College Lane, Hatfield, Herts AL10 9AA
UK. Download PDF File (143KB)
activity in plant tissues. Roger
Haberdasher's Askes' School. This article provides a
for extracting and making quantitative measurements of
activity. Duckweed tissues are suitable for this study.
Reference: The Committee on Biology Teacher Staff, The Role of Scientists in the Professional Development of Science Teachers. National Academy Press, Hardcover - 175 pages (pub. May 1996). Available from Amazon.com: [ More information on this book ]
contact me if you know of
learning experiments for schools or colleges. If you have
project and would like to put it on these pages as an example,
be very interested. I can help you format it and you
credit for authorship. Projects with data tables, drawings
are particularly desirable.
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Last revised: August 03, 2013