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Unit 4: Soils, Systems and Society Kit Presentation part of Soils, Systems, and Society
In this unit, students construct and present a standards-based, K–8 Soils, Systems, and Society Kit that consists of lessons and supporting materials around a locally and broadly relevant societal issue that ...
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Teaching geologic time and rates of landscape evolution with dice part of Rates and Time:GSA Activity Posters
Landscape evolution provides a convenient framework for understanding geologic time and rates because students can observe how processes like erosion and deposition shape their surroundings. In this example, students build 3-D sandbox models based on topographic maps and design and stage a "virtual adventure race." Sandbox landscapes are used to illustrate erosional processes,while local examples are used to discuss landscapes as transient or steady over different time- and length scales. Dice experiments illustrate radioactive decay and the shape of the age equation curve, and 14C dating, geochronology and thermochronology are introduced as "stopwatches" that start when a plant dies, a crystal forms, or a rock nears the surface and cools to a certain temperature. The sandbox model and thermochronometer "stopwatches" are combined to measure erosion rates and rates of landscape change. Ultimately, model rates (cm/hour) calculated from stopwatch times on the order of seconds can be related to geologic rates (km/My) calculated from real million-year-old samples.
Writing your own activities - PhET Activity Guidelines part of Pedagogy in Action:Library:PhET Interactive Science Simulations:Examples
You can create your own lectures, homework, and labs around any PhET simulation by using the PhET Activity Guidelines . These guidelines will help you create "guided inquiry activities which encourage students to construct their own understanding," which are the most effective way to use PhET simulations.