Curated OER
Exploring the Hudson in 1609
While this instructional activity focuses on a study of the Hudson River, it could be used as a template for a discussion of map skills, converting measurements, and plotting a route. The instructional activity includes vocabulary and...
National Park Service
It Was a Very Good Year
Waterton-Glacier International Peace Park includes whitebark pines that are over 1,200 years old, meaning they have been there since before medieval times. The second lesson of five details how to read tree rings for climate change and...
Curated OER
Skittles and Springs
Learners experiment to discover the relationship between the stretch of a spring and the amount of weight attached to the spring using Skittles. They use a CBR and a graphing calculator to gather data.