The Mulch Mystery

Lesson plans for an eight-session 4th or 5th grade class experiment to be conducted both in the classroom and at a field site. Explores the best method for getting rid of invasive plants by testing various mulch treatments, collecting data, and evaluating results. Includes lists of materials, worksheets, and teacher keys.

EM 8935    Published August 2007    86 pages
July 2021


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