Teams must determine the size of cavern needed to house the citizens of Alabraska to protect them from the asteroid impact. Using scaling properties, teams first determining the number of people that could sleep in a classroom and then...

Considering such conflicts as the Vietnam War and the war in Afghanistan, what motivates nations to cooperate? Your class members will analyze past and current international events in order to understand the types of conditions and...

Fourth graders research natural disasters that have occurred in the US in the twentieth century. They create computer based database and use the information to write a paragraph.

Fourth graders research natural disasters that have occurred in the US in the 20th Century. They create a computer database of the disasters and write a paragraph with the information.

Melissa Fay Greene is the author of "Last Man Out: The Story of the Springhill Mine Disaster" a book published in 2004 about the 1958 Springhill Mine Disaster. Ms. Greene is an accomplished American author and National Book Award...

When Hurricane Katrina hit the Gulf Coast area, NIEHS scientists and physicians were sent to assist with relief efforts. Provided is a helpful packing list and useful suggestions so you can help your family in case of an emergency or to...

Come and learn more about the devastating effects of tsunamis. This site features video segments revealing the devastation tsunamis can cause and how tsunamis are formed.

A spectacular photo capturing bright lightning in action as it surges from the sky to the ground, illuminating the sky and creating this beautiful image.

This photo shows the disastrous effects of flood damage on a road. With the broken road piled up in the background two men stand in the foreground of the photo discussing the natural disaster that occurred.

This unbelievable photo was taken from above Cyclone Catarina as it raged over the water and land below. A clear spiral can be seen with the eye of the storm also easily visible.

A huge forest fire rages in the background as two deer take refuge in a river.

This photo shows just how much damage a strong earthquake can cause. The concrete pavement beside the street has been torn in two with a large crack down the middle.

A black and white photo taken many years ago that shows a huge bolt of lightning hitting the top of the Eiffel Tower in Paris, France.

This amazing photo shows a volcanic eruption as seen from space. A giant plume of smoke bellows out from the ice capped volcanic crater.

This photo shows an epic avalanche in action on Mt Everest. Huge amounts of snow tumble down the mountain at rapid speeds.

Looking down a flooded street from the view of an apartment window, this photo shows a large number of flooded cars that have been drenched in the heavy rainfall.

This photo shows a small part of a larger forest fire still burning intensely as ash and smoke smolders in the background.

A beautiful display of fork lightning can be see in this photo. The intense electricity goes off in many directions as it gets closer to the ground.

This photo shows a satellite image of the destructive Hurricane Katrina as it makes its way over both the ocean and the coast of the USA.

This dramatic photo shows the impact of a massive landslide that has slid much of the way down a large hill.

A close up photo of a lava flow as it makes its way from a volcano crater after a recent eruption.

A photo showing the results of a limnic eruption.

A grainy photo of a huge meteor impact crater in Arizona, United States of America.

A classic black and white photo that dramatically shows the effects of the great Mississippi flood in 1927. Two men lean out the door and stand outside as the cameraman takes the photo.