University of Illinois Extension: Ww2010: The Boundaries Between Air Masses

This site from the University of Illinois describes what air pressure is and how it is measured. Explains high and low pressure areas, isobars, and how pressure changes with height.

What are air masses and where do they originate? What happens to the weather along fronts? Learn about warm and cold fronts and different types of advection. Maps and animated illustrations make these topics easier to comprehend.

This fact sheet shares numerous interesting facts about the common fruit, the apple. Great for the study of botany or biology. Available in English or Spanish.

A listing of all the known variety of apples with links to detailed information on and images of each variety. In both English and Spanish.

Comprehensive website provides facts and recipes for anyone suffering from osteoporosis. Learn about the causes, prevention, diagnosis and treatment, and a bone-healthy diet.

Students learn about how soil is made, who really needs soil, and what happens to soil if you don't take care of it.

This site from the University of Illinois explains basic principles of weather radar, its development, and application to weather forcasting. Includes section on how wind patterns are shown using doppler radar.

Learn about delicious watermelon! Growing, varieties, nutrition, recipes, and photos are allincluded.

This page provides nutritional information on the apple and links to other supplementary resources. Available in Spanish or English.

What causes wind? How does wind affect our weather? This website is neatly organized into topics about pressure, gradient force, Coriolis force, geostrophic wind, gradient wind, friction, boundary layer wind, and sea and land breezes....