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yellowperch

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About yellowperch

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    Hive Mind Queen Bee
  1. Here's my ds9's draft. Most spelling errors have been corrected but grammar errors have not. The last section is his first attempt at a personal point of view. He thought he really needed to put himself in the story. His second attempt at the personal pov is the preceding paragraph. I'd welcome editing help, and also general feedback. He's young for the program, but bright and in need of challenges. That said, writing is not his forte, at least so far. Up until now he has been able to do a fairly good job with the assignments. Now that I have the WWS books and can see where the program is going, however, I wonder if it is too challenging for him. Very soon, the expectations get steeper. The learning tasks given might be too demanding for my 9 yo. The program is so strong, and so sophisticated in terms of the level it is trying to bring the children to, I don't want to squander it before DS is ready. Then again, it might be just the thing. Your thoughts? Thermodynamic Vents In the 1970s, some scientists predicted “hotspots” upon the ocean floor. How the hotspots are formed is plates in the earth’s crust meet and shift magma quite often. The scientists believed it would cause areas in the ocean floor to heat up. In the 1970s multiple expeditions were made the inspect the hot spots. The main three were in three consecutive years, 1975, 1976, 1977. The 1975 expedition was called FAMOUS (French-American Mid-Ocean UnderSea Study). The 1976 expedition was not for men. Instead, they used unmanned crafts. In 1977, the expedition, which was successful, used the 25-foot Alvin submarine for deep dives. Alvin dove 2500 feet and discovered hydrothermal vents. The submarine held two scientists, John Corliss and John Edmond, who wrote about the hydrothermal vents. Hydrothermal vents are deep-water vents along the ocean ridges. The vents are cracks between the ridges at the ocean floor. There is always volcanic activity nearby. The water goes into the cracks, where it touches the magma and overheats. After this water shoots out of the cracks at temperatures between 100 and 300 degrees Celsius. The heated water is very cloudy wit the large deposits of minerals. A black smokers is a kind of vent. They are deeper than most vents and spew out black minerals with sulfur ores in them. Black smokers are also much hotter, often being over 350 degrees Celsius. The place where the “smokers” spew out the mineral ores is called a chimney and a basically just holes. The “chimneys” can become up to more than 60 feet. Swaying in the flow, created by the vents, tube worms live on energy produced by bacteria that live inside them. Blood-filled red worms dart in and out of their waving, 8-foot white tubes. These are only the weirdest of weird creatures in this true ocean wonderland. Amidst the sulfur-stink such amazing creatures as white crabs and giant clams thrive. “The vents are dull and gray,” I think. But then, a few moments later, when the submersible hits bottom instead of a CLUNK, as we expected, there is an eerie squish and human-like blood comes out from under the sub. I frantically switch the headlights on and there before us is an area that is like an extraterrestrial planet. Massive tube worms over eight meters long, giant clams, white crabs, and tiny organisms are all there, before our sights.
  2. Is the Saxon 5/4 curriculum still available?? Thanks--Meredith

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