This beautifully crafted site on Mesopotamia has selected information on Assyrian palaces and warfare, Babylonian astronomers, trade and transport and Sumer, Royal Tombs of Ur and Ziggurats.

Read about the luxurious rail car George Pullman introduced that made transcontinental rail travel so desirable.

FAQ about 9/11.

On February 26, 1993, at 12:18 p.m., a small cell of terrorists, with links to a local radical mosque and broader Islamist terror networks, detonated about 1,200 pounds of explosives in a rental van in the underground parking garage at...

This resource presents a brief overview of the Protoceratops.

As an online exhibit on meteorites, this site discusses the primary types of meteorites including iron meteorites, stony-iron meteorites, and stony meteorites.

Inquiry into the origins of the magnetic compass and how it came to and was used in Europe.

Illustrated essay on the abolition of slavery in Britain.

Follow these illustrated, step-by-step instructions to use chromatography as a tool in identifying a mystery candy.

A set of four station activities involving static electricity that can easily be done in the classroom.

An activity where students simulate the process of extracting coal from the ground using chocolate chip cookies. They then calculate the costs involved to determine whether coal mining is profitable.

Become an engineer, and design a submarine that moves in the water like a real submarine. Try making it sink, float, and hover in the water.

Step-by-step illustrated instructions showing how to drop four eggs into four cups without touching them. Demonstrates the concept of inertia according to Newton's first law of motion.

An experiment where students remove DNA from strawberries using everyday materials.

Step-by-step instructions, with photos, of how to construct a hot-air balloon from tissue paper, to demonstrate that heated air expands, creating a convection current. This activity requires the use of a hot air gun and is labor-intensive.

Flip over this interactive OLogy card and start learning bite-size pieces of useful information about Gregor Johann Mendel.

Flip over this interactive OLogy card and start learning bite-size pieces of useful information about the giant squid, including details regarding its 2006 discovery.

Flip over this interactive OLogy card to find fast facts, questions and answers, and similar bite-size pieces of information about plate tectonics.

Turn over this interactive OLogy card and start learning bite-size pieces of useful information about penicillin.

Flip over this interactive OLogy card and start learning bite-size pieces of useful information about the marine life that lives in polar-sea regions.

Flip this interactive OLogy card to learn about zoology careers from zoologist Paula Mikkelsen.

Learn about the supercontinent known as Pangaea that broke apart into the continents that we know today. Answer questions when you finish reading.

Flip this interactive OLogy card to find questions and answers, fast facts, and other bite-size pieces of information to help you understand important characteristics of the South American pacu, a freshwater fish.

Read about the mythical roc, a monstrous bird, which appears in Middle Eastern stories. Flashcard format.