This comprehensive study guide covers the main terms and concepts needed for an earth science unit on correlation using relative ages. Review questions are included at the bottom of the study guide.

This article reveals that researchers have devised a way to measure the severity of Alzheimer's disease using an index.

This is an index of links to activities using root words. These activities are separated into 3 levels of difficulty. These interactive, vocabulary puzzles and activities use Latin and Greek "roots and cells" to help unlock word...

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 indexing page which links to several pages of letters, diary excerpts, public reports, and personal correspondence relating to the use of the first atomic bomb. Includes letters and petitions drafted by scientists involved with the...

Find out the acceleration of an object from a position vs. time graph by finding the instantaneous velocity at two different points.

By the end of this section, you will be able to do the following: Identify the difference between demand-pull inflation and cost-push inflation, Identify patterns of inflation for the United States using data from the Consumer Price...

To keep track of time, many people used an almanac. Its elaborate tables of astronomical, seasonal, and religious events provided a useful way to mark time. And its directives on the proper time to do all manner of things from planting...

This is an excellent project where students investigate biodynamic farming techniques. They then collaborate with students from around the world to design an aquaponics system for cultivating fish and plants that can be used in an...

The numbers related to an oil spill that are reported in the media can be quite confusing to the public. This lesson helps students understand the numerical terms used to describe an oil spill. They are asked to solve three problems...

Summarizes a textbook chapter on abnormal psychology, providing an overview of different approaches to psychological disorders, the Diagnostic and Statistical Manual of Mental Disorders (DSM) used in diagnosis, and characteristics of...

From Wesleyan University this is an investigation into the varied ethnic groups of the Afghan North. Uses popups.

This helpful resource details the process of writing, including how to plan, write, and revise. Content also includes the different types or genres of writing, and exercises in grammar and mechanics.

An article discussing how the National Parks Service uses the soil program to manage soil sustainability. Learn how maintaining the soil is key to protect many other areas in the National Park Services.

Scattered across Texas are the remnants of a fierce defense system - forts. This site talks about the fort system as a whole. There are detailed links to information about specific forts in the state. An interactive student activity...

Looking for an alternative point of view on educational technology? Use this informative website focusing on a book called "The Flickering Mind,"-a new and controversial book which argues that computers have done far more harm than good...

An interdisciplinary unit teaching the topic of scientific research performed on human subjects for a skin cancer study. The physics principles behind imaging techniques, the biological implications of UV radiation on the skin, the...

During the week of September 20, 1998, the US Senate agreed to debate a bill (S 1301), intended to make it more difficult for people of means to use bankruptcy to walk away from debt. Those who could pay at least 20 percent of their...

An extensive collection of dinosaur clip art that can be used for educational purposes. View and use both color and black-and-white illustrations of Apatosaurus, Brachiosaurus, Plesiosaurus, Plesiosaurus, Stegosaurus, Velociraptor,...