The Classroom Capsules and Notes section of the Mathematical Sciences Digital Library is chock-full of compelling resources for college-level mathematics instructors. One particular gem within this trove is the Mathematics of Planet Earth 2013 Collection. This collection brings together what appeared in the print journals of the Mathematical Association of America (MAA) and includes 16 items...

The Natural Resources Canada agency has created a wonderful set of resources for curious visitors seeking to learn more about the earth sciences. The agency's formal scientific research work involves divisions such as the Canada Centre for Remote Sensing, the Geodetic Survey Division, the Geological Survey of Canada, and the National Air Photo Library. On the homepage, visitors can use the Earth...

This concise brochure, "The Interior of the Earth," by Eugene C. Robertson, explains the basic make-up of the earth's interior. The text with useful graphics and tables describes the crust, mantle, and core. Altogether, the brochure makes for a brief, simple, and clear introduction to the earth's inner constitution.

The US Geological Survey's Earthquake Hazards Program offers the Earthquakes for Kids educational Web site. Kids are offered the opportunity to learn the basics of earthquakes, the science behind them, read "cool earthquake facts," view the location of the latest earthquakes, get science fair project ideas, partake in online activities and games, view earthquake related images, ask a geologist a...

There is no true substitute for visiting one of America's great national parks, but this website, designed "to present the natural, cultural, and historical resources of our national parks," is a nice surrogate for an in-person jaunt. On the homepage, visitors can select a park or theme from several dozen headings, including National Mall, Whiskeytown, Glaciers, and Devils Tower. Within each area,...