A learning module on the significance of a declaration of independence by a country. It includes several supporting questions accompanied by formative tasks and source materials, followed by a summative performance task. Students will...

Here you can view maps showing the migratory paths of dozens of animals across the northern hemisphere, report a sighting of one of the animals listed in the database, and much more.

Caral was an architectural marvel - a 1,500-acre complex constructed by the oldest known civilization in the Western Hemisphere. Colossal pyramid structures in the Americas as old as those in Egypt? The Sacred City of Caral-Supe, in...

Labeled diagram of the Earth's hemispheres.

The tutorial investigates the volumes of a cone, a cylinder, and a hemisphere. The problem includes a detailed solution.

This task asks students to compare the volume of a cone to a truncated cone when they are the same height. They must calculate volumes for a cone, a truncated cone, and a hemisphere. Aligns with 8.G.C.9.

Hundreds of images of brain structures are here, including normal and diseased brain parts.

From ABC News in Science, Guy Clavel's article deals with research by French scientists which suggests that hurricanes in the Northern Hemisphere will continue to intensify in severity.

In this second episode from Dictionary Dog called a trip to Greece, some Greek art terms are defined including Parthenon, dome, hemisphere, caryatid, and others.

Use this online calculator to calculate the volume of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, and spherical cap.

Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism

An image of "The Southern Hemisphere of the Celestial Globe", created by Albrecht Durer in 1515 (Woodcut).

An image of "The Northern Hemisphere of the Celestial Globe", created by Albrecht Durer, c. 1515 (Woodcut).

English, Spanish, and Portuguese maps and letters about exploration and impressions of the Western hemisphere in the early 1500s. T

California Regional Weather Service provides the latest jet stream analyses and forecasts for the Northern Hemisphere, Eastern Pacific & Western North America, North America, North Atlantic, and the Southern Hemisphere.

The science and some myths behind the aurora, also known as the aurora borealis in the Northern Hemisphere and the aurora australis in the Southern Hemisphere are explained.

Today, June 20, happens to be the first day of summer or summer "solstice." Derived from the Latin words "sol" for "sun" and "sisto" for "stop," it is the day when the North Pole is most inclined towards the sun. As a result, residents...

View text of Franklin D. Roosevelt's official Proclamation of Unlimited National Emergency in May, 1941, that puts the armed services on notice in case of aggression against any parts of the Western Hemisphere.

The America that greeted the first Europeans was, thus, far from an empty wilderness. It is now thought that as many people lived in the Western Hemisphere as in Western Europe at that time -- about 40 million. Estimates of the number of...

A great science project from Science Buddies that examines how ancient peoples navigated without the benefit of a GPS. Find out which stars are important in navigation in the northern and southern hemispheres. The Science Buddies project...

The beaver was hugely important to Wisconsin during the French fur trade from 1650 to 1850, due to its popularity for use in head wear all over the northern hemisphere. There are many fascinating primary resources and historical articles...

What an incredible resource that looks at Transpacific migrations peopling the Western Hemisphere, the Pacific islands, and the Chinese diaspora. Included is information about genetic research that traces DNA patterns across the world....

The innovative resource compares snow and ice cover in the Northern Hemisphere over a period of two years. The activity has an interactive online version and a printable data sheet.

The innovative resource compares snow and ice cover in the Northern Hemisphere over a period of 24 years. The images are obtained from satellite measurements of visible and microwave radiation. The activity has an interactive online...