Read the fascinating transcript of the proceedings in court when Clarence Darrow called William Jennings Bryan to the stand to expose the weakness in his argument against evolution in the famous Scopes trial.

This site provides the complete etext for Zane Grey's story, "The Heritage of the Desert."

This site provides the complete etext for Zane Grey's story, "The Young Forester."

A site dedicated to model rocketry. Information on clubs, rockets, magazines, and other subjects of interest to model rocketry enthusiasts.

[Free Registration/Login may be required to access all resource tools.] Students will study how energy flows through an ecosystem and learn about photoautotrophs and chemoautotrophs, the role of decomposers, and of consumers.

This Michigan State University site suggests three question-answer relationships strategies, rather than four, leaving out "author and you." Includes examples of each relationship, steps for teaching, and assessment.

Harry and his friend make a wager on a game of chess and discuss the concept of exponential growth in this short Cyberchase video. [3:26]

There are many versions of historical events, people, and places. This PBL offers an opportunity to students to actively explore a disputed event or urban myth to decide which version they will argue in favor of with supporting evidence.

This site from IPAC is a series of images of various celestial objects and regions as viewed in infrared light. Each photo is accompanied by a caption.

This analogy story explains the manner in which the wavelength of light affects the maximum resolution of a microscope.

Find out how much you know about our wonderful world by taking these online geography tests. Choose from "GeoBee Challenge", "GeoSpy", or "National Geographic-Roper Survey".

This learning module incorporates materials to support the instruction of characterization approaches that are used by authors. A PowerPoint lesson on characterization is available. An additional lesson plan on the topic of...

This page focuses on changes in language usage pertaining to "anytime" and "any time." In informal writing "anytime" can be used, but in formal writing "any time" is perferable. Examples are provided.

A basic overview of the earth's mantle, crust, inner core, and outer core. Also discusses how earthquake waves travel through the Earth.

This is the complete text of the novel Driven From Home by Horatio Alger.

This is the complete text of the novel The Drums Of Jeopardy by Harold MacGrath.

Canada has a long and rich history of innovation in science and technology. The artifacts collected, preserved, and displayed in the three museums of Ingenium showcase this history. Each artifact tells a fascinating story of innovation...

Do you know what it takes to be a good friend? Talk about this with your friends and classmates with the help of the several questions and detailed notes provided at this website.

Given a complex number of the form a+bi, find its angle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given the absolute value and the angle of a complex number, express the number in the form a+bi. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given the formula of a rational function, determine how it behaves around its vertical asymptote. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given the formula of a sinusoidal function, determine its amplitude. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Graph absolute value functions like f(x)=|x+3|+2. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve word problems about real-world relationships that are given in graphs. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.