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Subject Area - 4:
Environment and Ecology
  • Standard Area - 4.3: Natural Resources
  • Grade Level - 4.3.8: GRADE 8
Standard - 4.3.8.A

Compare and contrast alternative sources of energy.

  • Assessment Anchor - S8.B.3

    Ecological Behavior and Systems

    • Anchor Descriptor - S8.B.3.1 Explain the relationships among and between organisms in different ecosystems and their abiotic and biotic components
      • Eligible Content - S8.B.3.1.1 Explain the flow of energy through an ecosystem (e.g., food chains, food webs).
      • Eligible Content - S8.B.3.1.2 Identify major biomes and describe abiotic and biotic components (e.g., abiotic: different soil types, air, water sunlight; biotic: soil microbes, decomposers).
      • Eligible Content - S8.B.3.1.3 Explain relationships among organisms (e.g., producers/consumers, predator/prey) in an ecosystem.
    • Anchor Descriptor - S8.B.3.2 Identify evidence of change to infer and explain the ways different variables may affect change in natural or human-made systems.
      • Eligible Content - S8.B.3.2.1 Use evidence to explain factors that affect changes in populations (e.g., deforestation, disease, land use, natural disaster, invasive species).
      • Eligible Content - S8.B.3.2.2 Use evidence to explain how diversity affects the ecological integrity of natural systems.
      • Eligible Content - S8.B.3.2.3 Describe the response of organisms to environmental changes (e.g., changes in climate, hibernation, migration, coloration) and how those changes affect survival.
    • Anchor Descriptor - S8.B.3.3 Explain how renewable and nonrenewable resources provide for human needs or how these needs impact the environment.
      • Eligible Content - S8.B.3.3.1 Explain how human activities may affect local, regional, and global environments.
      • Eligible Content - S8.B.3.3.2 Explain how renewable and nonrenewable resources provide for human needs (i.e., energy, food, water, clothing, and shelter).
      • Eligible Content - S8.B.3.3.3 Describe how waste management affects the environment (e.g., recycling, composting, landfills, incineration, sewage treatment).
      • Eligible Content - S8.B.3.3.4 Explain the long-term effects of using integrated pest management (e.g., herbicides, natural predators, biogenetics) on the environment.
  • Assessment Anchor - S8.C.2

    Forms, Sources, Conversion, and Transfer of Energy

    • Anchor Descriptor - S8.C.2.1 Describe energy sources, transfer of energy, or conversion of energy.
      • Eligible Content - S8.C.2.1.1 Distinguish among forms of energy (e.g., electrical, mechanical, chemical, light, sound, nuclear) and sources of energy (i.e., renewable and nonrenewable energy)
      • Eligible Content - S8.C.2.1.2 Explain how energy is transferred from one place to another through convection, conduction, or radiation.
      • Eligible Content - S8.C.2.1.3 Describe how one form of energy (e.g., electrical, mechanical, chemical, light, sound, nuclear) can be converted into a different form of energy.
    • Anchor Descriptor - S8.C.2.2 Compare the environmental impact of different energy sources chosen to support human endeavors.
      • Eligible Content - S8.C.2.2.1 Describe the Sun as the major source of energy that impacts the environment.
      • Eligible Content - S8.C.2.2.2 Compare the time span of renewability for fossil fuels and the time span of renewability for alternative fuels.
      • Eligible Content - S8.C.2.2.3 Describe the waste (i.e., kind and quantity) derived from the use of renewable and nonrenewable resources and their potential impact on the environment.
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