Inside Mathematics
Population
Population density, it is not all that it is plotted to be. Pupils analyze a scatter plot of population versus area for some of the states in the US. The class members respond to eight questions about the graph, specific points and...
National Wildlife Federation
I Speak for the Polar Bears!
Climate change and weather extremes impact every species, but this instructional activity focuses on how these changes effect polar bears. After learning about the animal, scholars create maps of snow-ice coverage and examine the yearly...