Can We Have Too Much of a Good Thing?

In this lesson students will understand that plants require nutrients in the proper concentrations. Students will discover that plants can be damaged or killed by either too many or too few nutrients.

Grades
6 – 8
IN: Grades 6 – 8
Estimated Time
One 50 Minute Class, Five 15-Minute Observations, One 50-Minute Class for analyzing results
Updated
January 31, 2024
tractor spreading manure fertilizer on a field
Image: schauhi/Pixabay

Background

Lesson Activities

Credits

Author

Shaney Emerson | California Foundation for Agriculture in the Classroom

Acknowledgements

This lesson was updated in 2013 with funding from California Foundation for Agriculture in the Classroom and a grant from the California Department of Food and Agriculture’s Fertilizer Research and Education Program. The Fertilizer Research and Education Program (FREP) funds and facilitates research to advance the environmentally safe and agronomically sound use and handling of fertilizer materials. FREP serves growers, agricultural supply and service professionals, extension personnel, public agencies, consultants, and other interested parties. FREP is a part of the California Department of Food and Agriculture (CDFA), Division of Inspections Services.

Editor: Shaney Emerson
Executive Director: Judy Culbertson

Illustrator: Toni Smith
Layout and Design: Nina Danner
Copy Editor: Leah Rosasco

Standards

Indiana Content Area Standards

  • English Language Arts.Grade 6.W.1

    Write routinely over a variety of time frames for a range of tasks, purposes, and audiences; apply reading standards to support analysis, reflection, and research by drawing evidence from literature and nonfiction texts.

    • Writing Genres: Argumentative, Informative, and Narrative.6.W.3.2: Write informative compositions in a variety of forms that a. Introduce a topic; organize ideas, concepts, and information, using strategies such as definition and classification. b. Develop the topic with relevant facts, definitions, concrete details, quotations, or other information and examples from various sources and texts. c. Use appropriate transitions to clarify the relationships among ideas and concepts. d. Include formatting (e.g., headings), graphics (e.g., charts, tables), and multimedia when useful to aiding comprehension. e. Choose language and content specific vocabulary that express ideas precisely and concisely, recognizing and eliminating wordiness and redundancy. f. Establish and maintain a style appropriate to purpose and audience. g. Provide a concluding statement or section that follows from the information or explanation presented.
  • English Language Arts.Grade 6.SL.1

    Listen actively and adjust the use of spoken language (e.g., conventions, style, vocabulary) to communicate effectively with a variety of audiences and for different purposes.

    • Comprehension.6.SL.3.1: Interpret information presented in diverse media and formats (e.g., visually, quantitatively, orally) and explain how it contributes to a topic, text, or issue under study.
    • Discussion and Collaboration.6.SL.2.1: Engage effectively in a range of collaborative discussions (e.g.,one-on-one, in groups, and teacher-led) on grade- appropriate topics, texts, and issues, building on others ideas and expressing personal ideas clearly.
  • English Language Arts.Grade 7.W.1

    Write routinely over a variety of time frames for a range of tasks, purposes, and audiences; apply reading standards to support analysis, reflection, and research by drawing evidence from literature and nonfiction texts.

    • Writing Genres: Argumentative, Informative, and Narrative.7.W.3.2: Write informative compositions in a variety of forms that a. Introduce a topic clearly, previewing what is to follow; organize ideas, concepts, and information, using strategies such as definition and classification; include formatting (e.g., headings), graphics (e.g., charts, tables), and multimedia when useful to aiding comprehension. b. Develop the topic with relevant facts, definitions, concrete details, quotations, or other information and examples from various sources and texts. c. Use appropriate transitions to create cohesion and clarify the relationships among ideas and concepts. d. Choose language and content-specific vocabulary that express ideas precisely and concisely, recognizing and eliminating wordiness and redundancy. e. Establishandmaintainastyleappropriatetopurposeandaudience. f. Provide a concluding statement or section that follows from and supports the information or explanation presented.
  • English Language Arts.Grade 7.SL.1

    Listen actively and adjust the use of spoken language (e.g., conventions, style, vocabulary) to communicate effectively with a variety of audiences and for different purposes.

    • Comprehension.7.SL.3.1: Analyze the main ideas and supporting details presented in diverse media and formats (e.g., visually, quantitatively, orally) and explain how the ideas clarify a topic, text, or issue under study.
    • Discussion and Collaboration.7.SL.2.1: Engage effectively in a range of collaborative discussions (e.g., one-on-one, in groups, and teacher-led) on grade- appropriate topics, texts, and issues, building on others ideas and expressing personal ideas clearly.
  • English Language Arts.Grade 8.W.1

    Write routinely over a variety of time frames for a range of tasks, purposes, and audiences; apply reading standards to support analysis, reflection, and research by drawing evidence from literature and nonfiction texts.

    • Writing Genres: Argumentative, Informative, and Narrative.8.W.3.2: Write informative compositions in a variety of forms that a. Introduce a topic clearly, previewing what is to follow; organize ideas, concepts, and information into broader categories; include formatting (e.g., headings), graphics (e.g., charts, tables), and multimedia when useful to aiding comprehension. b. Develop the topic with relevant, well-chosen facts, definitions, concrete details, quotations, or other information and examples from various sources and texts. c. Use appropriate and varied transitions to create cohesion and clarify the relationships among ideas and concepts. d. Choose language and content-specific vocabulary that express ideas precisely and concisely, recognizing and eliminating wordiness and redundancy. e. Establishandmaintainastyleappropriatetothepurposeandaudience. f. Provide a concluding statement or section that follows from and supports the information or explanation presented.
  • English Language Arts.Grade 8.SL.1

    Listen actively and adjust the use of spoken language (e.g., conventions, style, vocabulary) to communicate effectively with a variety of audiences and for different purposes.

    • Comprehension.8.SL.3.1: Analyze the purpose of information presented in diverse media and formats (e.g., visually, quantitatively, orally) and evaluate the motives (e.g., social, commercial, political) behind its presentation.
    • Discussion and Collaboration.8.SL.2.1: Engage effectively in a range of collaborative discussions (e.g., one-on-one, in groups, and teacher-led) on grade- appropriate topics, texts, and issues, building on others ideas and expressing personal ideas clearly.