This clickable map of the United States defines different geographic features such as mountains, plains, islands, and deserts.

Kids learn about the Earth science subject of mountains including how they are formed, types of mountains, geological features, definition, and fun facts.

This resource lists cycling events for the entire U.S. and Canada. There is a searchable database that allows you to put in the city you want and how many miles away you are willing to travel for all types of cycling events.

This resource gives an introduction to the theory of plate tectonics. It also has animations of four types of plate boundary interactions (convergent, divergent, transforming, collisional).

Detailed information on a variety of big game that are hunted in Arizona. Includes each animal's life history, their hunt history, behavior, and a chart listing facts, e.g., habitat, predators, etc., as well as a narrated video of them...

Learn about different types of bikes for various cycling events (the cycling track events, the off-road cycling events) through colorful drawings, animations, and simple descriptions. Also, learn the difference between women's events and...

This resource provides information on the four main types of clouds that form in the atmosphere. There are high clouds, middle clouds, low clouds and clouds with vertical development.

Kids learn about the science of volcanoes including how they form mountains, lava, and magma; types such as cinder cone, composite, and shield; watch a video about volcanoes.