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Activity 12:
Polluting Populations
Level: Grade 7-8, but easily adaptable for older (Algebra 1 or Science)
students
Learning Objective: Students will take pollution emission data and
compare the levels of pollution emitted versus the number of people
in the country. The students will discover that this is not a simple
linear relationship - that some countries emit much more pollution
that countries with larger populations.
Specific Science Content Standards
- Changes in earth and sky
- Populations and ecosystems
- Understanding science and technology
- Populations, resources and environments
- Geography: How humans modify the physical environment
Specific Mathematics Content Standards
- Variables and data
- Plotting and graphing
- Linear equations
Earth Update: Biosphere
Introducing the activity:
Tell students that humans frequently emit pollutants as a result of
their activities (burning fossil fuels, deforestation, etc.) But each
person on Earth does not emit the same amount of pollutants - certain
countries, especially the United States, have much more pollution
"per capita" than others. The students will learn from the graph how
much more pollution a typical American emits than a person from other
countries.
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