This fifth unit of a course on Art Appreciation looks at different forms of three-dimensional art. Students learn about sculpture and its history, government-funded art works, and controversy in art. They look at other types of 3-D...

Defines and describes the weapons commonly used in medieval times when attacking a castle.

Sewer Rats by Sigmund Brouwer is an adventure tale. A group of kids secretly play paintball games in urban underground drainage tunnels. Then one of them gets lost in the tunnels just as a heavy rainstorm begins. This teacher's guide...

This site from PBS describes guerrilla tactics used by the Viet Cong with a close up of Cu Chi, a tunnel system near Saigon.

An entertaining video that explains the scale of nanometers as well as some of the innovative scientific work being done in the area of nanotechnology, including quantum tunneling and the creation of the smallest magnet ever known. [28...

The MagLab's bus tunnel has an aluminum track, but it doesn't carry passengers: it carries electricity, up to 56 megawatts of it.

Watch a narrated animation on the Large Hadron Collider, its experiments, structure, and computer system. Then, browse this site's sections to explore facts about and functions of CMS, ATLAS, ALICE, LHCb, the LHC Computing Grid, and the...

[Free Registration/Login Required] An informational text explaining how ants will sometimes damage plants by digging tunnels through them. A question sheet is available to help students build skills in reading comprehension.

In this obstacle course, kids must choose the correct dinosaur based on their size to crawl through tunnels, fly over or walk under hurdles, and step over walls.

The Saturday afternoon before Christmas in 1984, on a New York City subway car making its run downtown, two black teenagers approached Bernhard Goetz. One of the teens said to the slightly built blond man, "Give me five dollars." Seconds...

An animation of a quantum corral made by iron atoms on a copper surface.

Via this interactive SIMS experiment, students will grasp better understanding of decay in alpha particles and their relationship to half life. Lessons and teacher tips included.

This extensive overview on chemical bonding seeks initially to answer the question, why do chemical bonds form? Information is provided on classical models of chemical bonding and quantum mechanical models of the chemical bond.

This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.

This site provides a fairly in depth description of Scanning Probe Microscopes as well as links and images. This site is designed for those with a strong understanding of this field.

This resource provides information about orthopedics and related topics.

When a teenager overexerts him or herself, pain in the joints can often occur. The injuries usually take place at the ends of the bones where they grow. Check out this article to determine whether or not you're treating your bones...

This site from the University of North Carolina takes you through the research being done at Univ. of North Carolina with SPM. Includes an introduction to scanning probe microscope.

[Free Registration/Login Required] An informational text about earthworms and how they help the soil. A question sheet is available to help students build skills in reading comprehension.

With this resource, students can learn how to make a variety of handmade books with simple paper folding techniques. All directions are easy to follow and come in a printable pdf format.

This lesson will help students to classify common disorders and injuries associated with the skeleton.

Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.

These remarkable feats of design and construction transformed the ways that people travel, communicate and live. For thousands of years, mankind has engineered remarkable structures such as the pyramids of Egypt and the Great Wall of...

Quotations from contemporary figures and recent politicians depicting the value of the Chinese workers in building the Central Pacific Railroad. Included are many pictures and graphs as well as links to additional information.