NASA
Nasa: Space Place: Go With the Flow: An Ocean Currents Game
You are in a submarine and need to fix the currents to take you where you want to go. You want to get the key to the treasure chest full of gold!
Khan Academy
Khan Academy: The Buoyant Force Does Not Get Smaller as You Sink
This article explains the buoyant force using a submarine as an example. It also discusses what determines the size of the buoyant force using a formula, and explains decompression sickness better known as the bends.
Nobel Media AB
The Nobel Prize: William Henry Bragg Biographical
The Nobel Foundation provides a biography of Bragg. This site focuses primarily on his activities and accomplishments as a scientist.
US Navy
U.s. Navy Homepage
The official homepage for the U.S. Navy. Offers student: What's New, Organization, Status, Ships, Images, and more. The "Ships" category is especially interesting!
Other
Cyberheritage: Unusual Technical Images of Equipment Used in World War Ii
Scanned images from a box of book pages about World War II. Find images of information leaflets on "the machines that were winning the war for us."
BBC
Bbc History: World Wars: World War One: The First Battle of the Atlantic
Historian Gary Sheffield recounts the events, strategies, and outcomes of the Battle for the Atlantic, in a six-part illustrated article.
World War 1
Worldwar1.com: Great War Society: Relevance: America's Turn From Neutrality to Intervention
Essay discussing the events that influenced the U.S. to change its foreign policies during the years of 1914 to 1917. (Published Spring 1992, revised May 24, 1996)
Library of Congress
Loc: What in the World Is That?
Can you match the picture to the correct invention? Read about these inventions and the importance of them. Also included are related sites to find further information about each invention.
Digital History
Digital History: Neutrality and the Lusitania [Pdf]
American neutrality in World War I was sorely tested with the attack and sinking of the passenger ship, Luisitania. Read information about the attack and find conflicting reactions by Franklin Roosevelt and William Jennings Bryan about...
Digital History
Digital History: America Goes to War [Pdf]
President Woodrow Wilson tried to maintain American neutrality in World War I. Find out why he decided that the U.S. needed to join the war and read a portion of his message to Congress asking for a declaration of war against Germany....
Digital History
Digital History: Resistance to Technological Innovation
Hinderances to technological advances included poor education and hostility to innovation and experimentation. See how this opposition was overcome by the many smalltime tinkerers and inventors who ignited people's interest in technology.
Digital History
Digital History: America at War: The Guns of August
Read about the course of World War I on both the eastern and western fronts. See how the upheaval in the world brought about attempts at revolution in several countries.
Oregon Secretary of State
Oregon at War: Before the War America's Strained Neutrality
Read about the attempts of the United States to remain neutral during World War I raging in Europe. Find out what finally made U.S. entrance into the war inevitable.
BBC
Bbc History: World Wars: World War Two: Battle for the Atlantic
Article reviews the principal elements associated with Britain's lengthy struggle with Germany for control of the Atlantic during the Second World War.
BBC
Bbc History: World Wars: World War Two: Battle of the Atlantic Game
Test your ability to keep German U-boats at bay by taking on the role of a senior escort officer tasked with leading a convoy of food and munitions safely across the North Atlantic to England.
Other
University of Texas at Dallas: Why Is the Sea Salty?
A clear and concise explanation of why some of the earth's waters are salty and others are not.
Woods Hole Oceanographic Institution
Woods Hole Oceanography Institute: The New England Seamounts
What is a seamount? Why are they found in long chains on the bottom of the ocean? Find answers to these questions as you explore a chain of seamounts located on the bottom of the Atlantic Ocean.
BBC
Bbc: Gcse Bitesize: Forces, Acceleration and Newton's Laws Aqa
This lesson focuses on Newton's First Law: an object remains in the same state of motion unless a resultant force acts on it. If the resultant force on an object is zero, this means: a stationary object stays stationary; a moving object...
The History Cat
The History Cat: America Enters the Ring
Describes the events leading up to America's entry into World War I and the changes that took place in America soon after. These included legislation such as the Selective Service Act and the Espionage and Sedition Acts, protests by...
Other
Destroyer History Foundation: Uss Greer (Dd 145)
Read about the first American shots of World War II fired by the USS Greer at a German U-boat in the North Atlantic before the U.S. entered the war.
Massachusetts Institute of Technology
Mit: Inventor of the Week: Hedy Lamarr
Use this site to learn about Hedy Lamarr (1913-2000 CE), the movie actress who "helped the Allies win World War II" through her involvement in inventing "a classified communication system."
A&E Television
History.com: 5 Cold War Close Calls
1962's Cuban Missile Crisis was not the only time the Cold War between the United States and the Soviet Union almost went hot. Read this article to learn about the five cold war close calls.
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Barcos en Alta Mar
In Spanish. Play submarine by using trigonometry, learn the law of sines and cosine, build an instrument to measure angles and distance and find out who was the father of Trigonometry.
Ducksters
Ducksters: World War I for Kids: Sinking of the Lusitania
Kids learn about the Sinking of the Lusitania during World War. Over one thousand civilians were killed when a german submarine (u-boat) sunk this luxury liner.
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