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Review for interdisiplinary science course (stream ecology, watersheds) part of Cutting Edge:Complex Systems:Teaching Activities
This is a large-scale participatory activity used to prompt students to review what they have learned and to think actively and cooperatively about the connections between the systems we have discussed prior to the ...

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Estimating Exchange Rates of Water in Embayments using Simple Budget Equations. part of Quantitative Skills:Activity Collection
Simple budgets may be used to estimate the exchange of water in embayments that capitalize on the concept of steady state and conservation principals. This is especially true for bays that experience a significant exchange of freshwater. This exchange of freshwater may reduce the average salt concentration in the bay compared to seawater if it involves addition of freshwater from rivers, R, and/or precipitation, P. Alternatively, it may increase the average salt concentration in the bay compared to seawater if there is relatively little river input and high evaporation, E. Since freshwater input changes the salt concentration in the bay, and salt is a conservative material, it is possible to combine two steady state budgets for a bay, one for salt and one for water, to solve for the magnitude of the water flows that enter and exit the bay mouth. Students will make actual calculations for the inflow and outflow of water to Puget Sound, Washington and the Mediterranean Sea and compare them to actual measured values.

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Comparing Carbon Calculators part of Teaching with Data:Examples
Carbon calculators, no matter how well intended as tools to help measure energy footprints, tend to be black boxes and can produce wildly different results, depending on the calculations used to weigh various ...

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Teaching the nitrogen cycle and human health interactions part of Cutting Edge:Geology and Human Health:Workshop 04:Activities
This activity uses objects, pictures, and text in a matching game to define the nitrogen cycle and the environmental and human health impacts of nitrogen. The game can be used to associate useful and detrimental ...

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Take A Hike Assignment part of Cutting Edge:Introductory Courses:Activities
Students are assigned to take a hike in a location of their choice and write a concise summary of their observations of Earth Science features and processes. This assignment is used near the end of an Earth Systems ...

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Exploring Cation Exchange Capacity through the use of the Soil Survey part of Cutting Edge:Hydrogeology:Hydrogeology, Soils, Geochemistry 2013:Activities
This assignment allows students to utilize real soil data/information presented online to learn how the some of the physical properties of the soil influence the chemistry of the soil and health of the ecosystem.

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Pathogenic Microorganisms in Water part of Cutting Edge:Hydrogeology:Activities
This activity introduces students to sampling and testing for microorganisms in different water sources. It also tests iodine tablets to kill coliform bacteria which interest many students. The activity utilizes ...

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Understanding the Carbon Cycle: A Jigsaw Approach part of Cutting Edge:Climate Change:Activities
In this "jigsaw" exercise, each student is assigned one of five geochemical processes in the carbon cycle to research, fully understand, and then explain to others in groups of five. At the end of class ...

CLEAN Selected This activity has been selected for inclusion in the CLEAN collection.
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Carbon Dioxide Exercise part of Interactive Lectures:Examples
Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years. -

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Floodplains in the field part of Field Labs:Field Lab Examples
In this lab, students measure a topographic and geologic cross-section across a floodplain by simple surveying and auguring techniques. -

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Gold Star Panel Review This activity received a gold star rating from a Panel Peer Review.
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