The distribution of water on the Earth's surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located...

Barack Obama as a budding poet is presented by the Library of Congress "Presidents as Poets" reference service. "Pop" and "Underground" are two poems written by him and published in 1982 at Occidental College.

Module on African Americans with links to National Underground Railroad Freedom Center Museum, Northwest African American Museum, and SuSable African American History Museum and numerous videos on various topics including, World War II,...

After watching the "Marmot Manor: Mountain Mission" episode of PBS Kids' Plum Landing, students will draw a picture of the marmot's underground mountain home.

Harriet Tubman is best known for the Underground Railroad, but she also served critical roles in our federal government during the Civil War and requested a federal pension for her work. Congress debated whether or not to extend to her a...

Read about the murky underground stories of espionage on both sides of the Civil War. The spies were often eccentric, and the raiders ruthless.

A wonderful online encyclopedia of ants. Features close up photographs of ants eating, working, nesting, and living in their underground chambers.

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...

According to this article, Elijah McCoy (1844-1929 CE) is one of the most prolific inventors in American history. Read about his parents who escaped slavery by traveling on the Underground Railroad and about his invention, the automatic...

Freshwater accounts for only some 6 percent of the world's water supply, but is essential for human uses such as drinking, agriculture, manufacturing, and sanitation. As discussed above, two-thirds of global freshwater is found underground.

Discover the different decorations of caves. Learn how they are made and how they add to the beauty of these underground chamber.

Sewer Rats by Sigmund Brouwer is an adventure tale. A group of kids secretly play paintball games in urban underground drainage tunnels. Then one of them gets lost in the tunnels just as a heavy rainstorm begins. This teacher's guide...

Material to begin an exploration of the sand formation, landforms, and underground water. An hour-long video is accompanied by learning goals, an outline and overview, details on the ice ages, glaciers, and glacial landforms, and ideas...

Between 70 and 75% of the Earth's surface is covered with water and there exists still more water in the atmosphere and underground in aquifers. For this lesson, learners learn about water bodies on the planet Earth and their various...

Moose Jaw!? Yes,right .. it's a town in Saskatchewan with a very interesting and somewhat infamous history. Think of underground caves and Al Capone as well as a rich aboriginal background.

In this problem you will have water flowing through an underground pipe and then passing into a ground level nozzle to create a fountain. Based on the pressure in the pipe you will find the speed of the water in both sections of the pipe...