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Using Mass Balance to Understand Atmospheric CFCs part of Examples
Students use an interactive online mass balance model help understand the observed levels of chlorofluorocarbon CFC-12 over the recent past.

Earth System Topics: Atmosphere, Climate, Human Dimensions:Policy

Stratospheric Ozone part of Examples
Students explore observational data from ozone-sondes, TOMS, and UARS measurements to learn about changes in stratospheric ozone over the past several decades.

Earth System Topics: Atmosphere, Climate

Searching Genbank part of Examples
An active problem-based assignment that uses the Genbank database to teach the basics of molecular biology and molecular evolution

Earth System Topics: Evolution

Reflection and Absorption of Light part of Examples
Students use a microcomputer connected to a light sensor and temperature probe to explore the reflection and absorption of light.

Earth System Topics: Solar System and Astronomy, Atmosphere

Comparing Sunscreens part of Examples
Students use a microcomputer connected to an ultra-violet sensor to compare the relative blocking power of different SPF sunscreens for the UVB region of the solar spectrum.

Earth System Topics: Climate, Human Dimensions:Health, Atmosphere

Where is North? part of Examples
Students use a microcomputer connected to a magnetic field sensor to measure the magnitude and direction of their local Earth's magnetic field .

Earth System Topics: Solid Earth, Geography

Seismicity and Relative Risk part of Examples
This activity introduces students to using real-time data about earthquakes to make decisions.

Earth System Topics: Solid Earth, :Deformation, Plate Tectonics

Electrical Analysis of Wind Power part of Examples
For this experiment, students use a DC motor as a generator and various shaped turbine designs to test which design produces the most electrical power. Using a fan to generate the "wind", students attach ...

Earth System Topics: Human Dimensions:Energy

Annotating Change in Satellite Images part of Examples
During this exercise, students compare a series of satellite images taken 3-4 years apart to investigate the effects of human land use and annotate the images using ImageJ software.

Earth System Topics: Geography, Human Dimensions:Land Use

Microsoft Excel Basic Tutorial part of Examples
This assignment walks students through the creation of an Excel spreadsheet, step by step. It includes numerical fills via copy, creation of fixed and relative formulas, formula fill via copy, and some summary functions.



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