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In this unit, students investigate temperature cycles, tree rings, CO2 records, and the effects of CO2 on temperature, precipitation and cloud cover to determine the impacts of changing climate on forests. After gathering and analyzing local data,... (View More)

This unit focuses on local plant species; students learn to identify common species and will examine their life cycle characteristics as evidence of climate change. Through the use of the national citizen science project titled Project BudBurst,... (View More)

This is a journal article and activity/demonstration about navigation in space. Learners will learn about gyroscopes by playing with a spinning bicycle wheel to demonstrate momentum, centripal force and angular momentum. First the spinning wheel is... (View More)

Keywords: Navigation

This article discusses how Global Positioning System (GPS) satellites work, and how the TOPEX and Jason-1 satellites use GPS data in making very precise topological maps of the oceans. The article includes an activity. Students are divided into two... (View More)

Keywords: GPS; Mapping