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Water: Articles and Activities for Middle School Students

Activities: "Improving Old MacDonald's Farm"

For Grades 6 - 8

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Improving Old MacDonald's Farm (Full Article) (PDF) (2 pp, 378K)

Improving Old MacDonald's Farm (Activity Sheets) (PDF) (9 pp, 871K)

Exercises

Exercise I. Old MacDonald's Farmland Fertilizer Dilemma
Exercise II. Mooooving Those Cows

Objectives

This exercise is designed to further explore topics addressed in the accompanying article. Students work through calculations to determine how much fertilizer is needed to meet a plant's nutrient requirements. From these calculations, students draw conclusions about the most cost-effective and environmentally sound farming practices.

Time Required

Individual exercises are designed to be approximately 1/2 hour to 45 minutes long. These exercises are also ordered progressively: each builds on concepts introduced in the previous.

Curricular Standards and Skills

Math

  • word problems
  • addition
  • subtraction
  • multiplying decimals
  • working with money
  • order of operations

Thinking Skills

  • deductive reasoning

Language Arts

  • reading comprehension

Vocabulary

  • dead zone
  • eutrophication
  • pesticides, herbicides, and fungicides
  • sedimentation

 

 

Middle Schools  |  Improving Old MacDonald's Farm  |  Exercise I  |  Exercise II


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