A great description and explanation of the exchange that took place between the Old World and New World as a result of European exploration. Find examples of plants, animals, and diseases that were traded as a result of exploration and...

Features a collection of hands-on activities, investigations, and explorations designed to engage students in learning about ice, both in the solar system and on planet Earth.

An interesting article about the exploration and mapping of the Russian Arctic and the men who were involved. The mapping process evolved over several centuries.

The DNA in our cells contains our "blueprints," but it's the proteins in our cells that do most of the work. The Human Genome Project has allowed us to start reading the blueprints, but we still don't understand what most of the proteins...

This set of lessons has students investigate how plants obtain energy from different sources to support their growth and development. Students conduct investigations, make predictions, and construct scientific explanations of the...

The paths of some seismic waves and the ground motion that resulted are shown in this poster.

This engaging lesson plan has students exploring the Internet in search of information related to African American history.

Students design a water purification system given certain constraints.

A set of illustrated fact pages, and some activity sheets, on coral reefs, tidal pools, and ocean ecosystems. Find maps, graphic organizers, and a movie link to tidal zones. Hyperlinks to specialized vocabulary words are also provided....

Part of an online course supplement, this is an interesting introductory site for a study of Ancient Rome. Links are provided to various essays on and from ancient Rome. Most useful information is found by using the links in the lower...

Examine the life of renown scholar, athlete, singer and actor Paul Robeson and his influence on Pennsylvania's history.

A activity that examines how Native Americans were portrayed by artists in the sixteenth century, whose aim was to convey their appearance to a European audience, and thereby encourage investment in future New World explorations. By...

This site traces the early voyages of explorers from Portugal and Spain who were trying to find new resources.

This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...

This biography of Chester A. Arthur concentrates on his time as Collector of the New York Customhouse, and despite his use of the patronage system, when he became president, he became a civil service reformer.

Examine the life of renown scholar, athlete, singer and actor Paul Robeson and his influence on Pennsylvania's history.

This activity can be used as an introduction or for a closer study of the Lewis & Clark Expedition. Students will learn that the United States purchased the Louisiana Territory in 1803 and President Thomas Jefferson sent Lewis and...

What does it take to launch a satellite to explore Mars, or a mission to the moon? This project has several possible variations for exploring the physics of rockets. This is rocket science.

Play a great interactive game where you become a fire manager and learn to deal with fire safety. Also, explore the lesson plans for presentation and the classroom.

This site explores the classification of igneous rocks. Content addresses classification based on color and texture, mineral composition, and chemical composition.

The interactive tutorial explores the history behind Pi and how to find its value. Students use images of circular objects and find the diameter and circumference to obtain an approximate value of Pi. The resource has an interactive...

The innovative resource explores the biomechanics of bipeds and quadrupeds. Learners study how animals and humans move by starting, slowing, and stopping animations. The activity has an interactive online version and a printable data sheet.

Learners explore images of atmospheric ozone levels over the South Pole. The resource has students determine the months of lowest ozone levels and changes in ozone levels since 1979. The activity has an interactive online version and a...

Virtual learning unit provides an overview of the definition and fundamentals of the field of Psychology, exploring historical approaches, discussing specialty fields, research and practice. Comprehensive multi-media approach.