we need to ensurewecan see them. One way to do this is to create a concept map with your objective. For example, if your objective is to have the students write a persuasive essay, then write the term “persuasive essay” in the center of your paper and circle it. Then, brainstorm...
A submarine comes to the surface once every few days (or even more frequently than that), not only to get a fresh supply of atmospheric oxygen from above the water’s surface, but also to dispose of the waste gases that it produces onboard. Snorkel There’s a device known as the snork...
storms, amidst swirling schools of fish. They also want to see if they can make the technology work in the other direction—air to water. That would allow scientists to communicate with underwater devices; for example, resetting the parameters on a marine monitor. ...
The U.S. Navy is also very interested in research on underwater noises. Ever since the invention of the submarine, sailors have struggled to differentiate between natural noises and those of enemy ships.
David takes control of a Nuclear Submarine and the story is a classic one – take a bunch of people labelled poor performers and turn them around to become the top team. The interesting thing to reflect on is that David achieved this using the same technology as all other similar class ...
Using our analogy, suppose each inhabitant on your island has a small submarine. Let's assume that each submarine has these amazing properties: It's fast. It's easy to take with you wherever you go. It's able to completely hide you from any other boats or submarines. It's dependable....
A tree blocks sunlight; a break wall disrupts an ocean wave, and temperature variations in the ocean can affect the acoustic noise propagation of a submarine. Waves travel in predictable ways across space and time, making it possible to use spatial analysis techniques to model many of these ...
Tsunamis are a rare natural phenomenon that can be triggered and created by majorearthquakes, volcanic eruptions, submarine and onshore landslides, calving icebergs, and even asteroids and meteorites. A tsunami event is more likely to occur in the Pacific Ocean region. ...
The submarine uses ballast tanks (压载舱) to stay underwater. A ballast tank is part of a submarine that holds water. It lets in water to help the submarine go down and lets water out to help the submarine go up. Justin also had to work out how to start the submarine. "The submari...
The 32 crew and one civilian in the forward compartments sent up a location marker and used Morse code to communicate with rescuers from the USS Sculpin. In addition to being trapped in a flooded submarine, those on board also faced the risk of chlorine gas that had begun leaking from the...