Video examines the impact of universal preschool in Oklahoma. Includes an audio version of the story and a transcript.

At this site from the University of Edinburgh, the author claims that planning and control produce good communication. CCSS.ELA-Literacy.CCRA.SL.1

This is a very thorough definition of scarcity prepared by Dr. Paul Johnson of Auburn University. The site includes hyperlinks to related topics.

Website reveals notes on Wallenberg's stay in America at the University of Michigan and the complete story of his heroism during the Holocaust.

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow through the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change. Java...

Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage. Java required.

A set of virtual experiment assignments where students investigate the biochemistry of hemoglobin and the role it plays in the functioning of human red blood cells. Includes background information, glossary, online notebook, and...

Learn about the celebration of the Chinese New Year. Information is provided on Chinese New Year foods, decorations, taboos, and superstitions.

A comprehensive approach to writing coherent paragraphs and knowing how to transition between paragraphs.

This site from North Carolina State University's plant breeding interdepartmental program gives information through links on careers in plant breeding.

An introduction to the graphs of polynomial functions by looking at the roots of the polynomials, or where it crosses the x-axis. Includes links to pictures of graphs and detailed explanations.

This lesson offers suggestions to help you fix short, choppy sentences, combine sentences with the same subject, and revise sentences that sound the same. L.11-12.3 Language Functions/Style

The complete text of the short story "The Life You Save May Be Your Own" by Flannery O'Connor.

Comprehensive guide with 17 areas of suggestions and tips for delivering a successful class presentation. Requires Adobe Reader. [PDF] CCSS.ELA-Literacy.CCRA.SL.4, SL.11-12.4 Presentation

A page which uses exponents as a step-by-step example of how logic is used to find complex mathematical concepts by building upon simpler concepts.

The nature of insulators is described at the atomic level. Band gap theory is used to explain what distinguishes insulators from conductors.

The arrival of Hernan Cortez in Mexico, his encounters with the Aztec ruler Montezuma II and the Spanish defeat of the Aztecs are described.

Collection of coloring pages and worksheets featuring different areas of biology and fun facts. Print pages out to color or download and color online.

A quick guide to help you determine the relevance and authority of a resource.

Here is a list of some strategies that can be used to resist peer pressure, and some strategies that will help you be most effective. Additional links for more information on responsible decision making are included.

This site from the Cornell University School of Law provides a brief description of what happened during the Amistad Revolt and gives details concerning the Supreme Court that followed.

A series of explanations of statistics terms based on the statistics from a dice game.

Practice using commas as you complete this exercise, which requires you to know your comma rules.

Learn more about active and passive voice by identifying the doer subject and the action verb of these ten sentences.