Unit 4: Human Impact and Energy
Materials
Topic
Learning Goals
-describe how humans have impacted the atmosphere including our role in climate change, air pollution, acid rain and the ozone hole
-list common pollutants, their sources and describe some of their negative impacts
-describe the formation of ground level ozone as a secondary pollutant and explain why it is considered to be "bad" ozone
-describe the depletion of stratospheric ozone and why this ozone is considered to be "good" ozone.
-relate the history of the ozone hole including how it formed, where it occurs, why it occurs there, how we discovered it, what we did about, and its recovery
-understand the relationships/non-relationships between the ozone hole, carbon, and climate change
-describe the cause of the enhanced greenhouse effect and its connection to global warming including sources and names of greenhouse gasses and the movement of energy in the atmosphere.
-list some of the measurements and data that support the existance of global warming
-describe some of the negative impacts of global warming
-explain the connections between ocean currents, ice, and climate change
-understand what is scientific fact about global warming and what questions remain and how politicians have made selective use of this both to make global warming seem more dramatic/catastrophic and minimize the severity/certainty of it
-relate events to our environmental and earth system approach curriculum
Atm brochures
Human Impact: Atmosphere Power Point
Review Questions
-Video: on Ozone hole
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WEB RESOURCE ON OZONE (especially for tan class)
-Review PPnotes on greenhouse effect & global warming from unit 2
Human Impact Atmosphere
-Describe how humans have impacted the hydrosphere including pollution of water bodies and overuse of water to the point of localized depletion of the resource
-Understand why freshwater is becoming a more scarce resource
-Categrorize and describe pollutants in terms of point vs. nonpoint source, what the sources are, what the pollutants are and what kinds of problems they can cause
-relate events to our environmental and earth system approach curriculum
- Be able to discuss specific hydrosphere impacts (case studies)
- Lab: Water Quality testing
-Human impact: Hydrosphere Power Point
-Hydrosphere Review
Human impact brochure
Human Impact: Hydrosphere
-Describe how humans have impacted the biosphere including deforestation, loss of biodiversity, & extinction
-human impact brochures
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Human Impact: Biosphere
-Carbon cycle worksheet
-Energy Info Website
-Energy Comparison Table

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Energy industry worksheet
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Video:An Inconvenient Truth
-Energy Speeches Assignment
-explain the formation of fossil fuels, the natural carbon cycle and human interference
-Understand the concept of energy and the different types of fuels/sources of energy available
-compare different types of energy in terms of their characteristics, especially benefits and costs to earth system
-explain the formation of fossil fuels, the natural carbon cycle and human interference
Energy
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