Filters: Your search found 8 results.
Topics/Subjects:
Atmosphere  
Learning Time:
1 to 4 weeks  
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This problem-based learning module places learners in the role of researchers analyzing carbon monoxide's environmental impact. Both vehicle emissions and biomass burning are cited as events producing carbon monoxide that impact the environment.... (View More)

Since the Industrial Revolution, atmospheric carbon dioxide concentration has risen from ~280ppm (parts per million by volume) to ~390ppm in 2010. The rate of increase for the last decade (2001-2010) has been 2.04ppm/yr, more than double the rate... (View More)

In this problem-based learning unit, learners analyze the role of condensation trails from jets, or contrails, and their role in climate change. Contrails are thin ice clouds that form from the burning of jet fuel and release of water vapor. The... (View More)

In this problem-based learning unit, learners examine the causes and impacts of dust transported through the atmosphere. An estimated two billion tons of dust is emitted by the Earth annually. Scientists are becoming increasingly interested in the... (View More)

In this problem-based learning unit, students learn about the causes and impacts of urban heat islands. Numerous studies have shown how concrete pavements and buildings retain heat in cities, making cities several degrees warmer than the surrounding... (View More)

In this problem-based learning activity, learners investigate impact of sulfur dioxide on the environment. Sulfur dioxide comes from both human activities and natural sources. Burning coal and other fossil fuels is the largest source of sulfur... (View More)

This problem-based learning module asks students to consider how future climate change could impact the frequency and intensity of hurricanes. They are tasked with studying the trends and impacts of hurricanes on coastal regions. They proceed by... (View More)

In this activity, students investigate the interacting parts of the Earth system by observing changes in evaporation rate in four small aquariums with different initial conditions. The demonstration requires 4 small aquariums, soil, plants, water,... (View More)

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