Following the Gettridge Clan, Frontline looks into the impact Hurricane Katrina brought and how the family members have survived.

This reflective analysis of Hurricane Katrina probes the lessons learned from this natural disaster. Topics addressed include preparedness, communication and leadership. The site includes video footage of the hurricane.

Strategies to help students recognize the difference between fact and opinion provided by a standardized test preparation site intended for fourth grade. Includes teaching ideas such as analyzing facts and opinions in newspapers, and opinion/ proof notes.

This video segment from Between the Lions features an animated limerick, which exemplifies the kind of wordplay that prepares children for early reading and spelling. Uses popups and Adobe Flash.

This video describes the role of the brain in regulating body temperature and how sometimes fever is employed to fight off infection.

Students will find patterns in fractals through this lesson and describe them mathematically. Students will use their prior knowledge of arithmetic with rational numbers in this lesson.

In this activity, students fit a linear least-square regression line to population data. They explore various functions to model the given data.

"Dooley Takes the Fall", a mystery novel by Canadian author Norah McClintock for grade nine and up, is about a boy who has made some mistakes in the past. He becomes a suspect after he witnesses a boy jumping off a bridge and has to prove his innocence to clear his name. This extensive teacher's guide includes chapter summaries with accompanying discussion questions and novel activities, and cross-curricular connections. Also included are blackline masters and an interview with the author.

This superb site has detailed information about the composition of the atmosphere, how it is always changing, how it protects life on earth, and the destructive impact human activity has on it. There is an atmosphere design lab, as well as sections on atmospheric researchers and teacher resources.

This is an exceptional site for anyone looking for information about Fragile X Syndrome. Causes, diagnosis, treatment, quality of life, and many other topics are available. Animations, video, audio, and interviews make this interactive site easy to navigate.

Basic introduction to the formation of the negative in French. The site has good examples of different constructions (ne pas, jamais, rien etc.)

In this interview transcript from People's Century, northern civil rights activist and Freedom Rider Jim Zwerg describes his experiences.

Students study how the nature of two materials in contact, and the smoothness of their surfaces affect the magnitude of the sliding force of friction. They use a force sensor to measure frictional force for different surfaces.

Great summary of Frege's philosophical significance in terms that anyone can understand. Includes links to his works and several illustrative quotes. A great place to start. Includes links to related philosophers and logical topics.

Read George Washington's two inaugural speeches and his Annual Messages which give an interesting review of the beginning of the new United States. Included are links to some other writings of Washington and an 1808 biography.

Read the inaugural address of John Adams and his speech to the Congress concerning the XYZ Affair. Be sure to read his State of the Nation Address in 1800, the first delivered in Washington, D.C., the new capital.

Read the majority decision of the case brought before the Supreme Court known as Dartmouth v. Woodward.

Informational site provides illustrated tutorial of light reflection. Also discusses the law of reflection.

Information about the life of Gabriel Cramer (1704-1752 CE), 18th century mathematician credited with "Cramer's Rule," though "Cramer was certainly not the first to give this rule."