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Topics Explored: Biofuels, Indoor Air Pollution, Data Processing and Analysis

This case study explores energy use, energy sources, biofuels and air pollution. Answer key included.

Case Study: Firewood (Teacher & Student Edition)

  • ZIP file containing 2 PDF files 
    (1 Teacher Edition and 1 Student Edition)

  • Next Generation Science Standards (NGSS):
    HS-LS2-1. Use mathematical and/or computational representations to support explanations of factors that affect carrying capacity of ecosystems at different scales.
    HS-LS2-6. Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.
    HS-LS2-7. Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.
    HS-ESS2-2. Analyze geoscience data to make the claim that one change to Earth’s surface can create feedbacks that cause changes to other Earth systems.
    HS-ESS2-6. Develop a quantitative model to describe the cycling of carbon among the hydrosphere, atmosphere, geosphere, and biosphere.

    AP® Environmental Science Learning Objectives:
    6.1 Identify differences betwen nonrenewable and renewable energy sources.
    6.7 Describe the effects of the use of biomass in power generation on the environment.
    7.5 Identify indoor air pollutants. Describe the effects of indoor air pollutants.
    7.6 Explain how air pollutants can be reduced at the source. 


    AP® Environmental Science Practices:
    1: Explain environmental concepts, processes, and models presented in written format. 
    2: Analyze visual representations of environmental concepts and processes. 
    3: Analyze sources of information about environmental issues. 
    4: Analyze research studies that test environmental principles. 
    5: Analyze and interpret quantitative data represented in tables, charts, and graphs.
    6: Apply quantitative methods to address environmental concepts.
    7: Propose and justify solutions to environmental problems.


    IB Environmental Systems Learning Objectives:
    3.2.2 Define the terms renewable, replenishable and non-renewable natural capital.
    3.2.4 Discuss the view that the environment can have its own intrinsic value. 
    3.3.1 Outline the range of energy resources available to society.
    3.3.2 Evaluate the advantages and disadvantages of two contrasting energy sources. 
    3.3.3 Discuss the factors that affect the choice of energy sources adopted by different societies. 
    7.1.4 Outline eky historical influences on the development of the modern environmental movement. 
    7.1.5 Compare and contrast the environmental value systems of two named societies.

    AP® is a registered trademark registered by the College Board®. IB® is a trademark registered by the International Baccalaureate Organization®. This work/product/service has been developed independently from and is not endorsed by the College Board® or the International Baccalaureate Organization®. 

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