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[4] [5] If used as part of a summative assessment they are usually given a low weight, [6] between 10% and 25% of the total mark of the course for all problem sets put together, [3] [5] and sometimes will count for nothing if the student receives a better grade on the exam. Alternatively, problem sets may be used purely for formative assessment ...
The Next Generation Science Standards is a multi-state effort in the United States to create new education standards that are "rich in content and practice, arranged in a coherent manner across disciplines and grades to provide all students an internationally benchmarked science education." [1] The standards were developed by a consortium of 26 ...
[9] Why do we have the number of tropical cyclones that we do? [10] Mechanisms that cause oscillations in equatorial climate remain under intense study. The El Nino Southern Oscillation of the equatorial Pacific Ocean temperature is difficult to predict more than a few months in advance.
[1] Several categories have been added, dropped, or merged throughout the years. Computer Science was dropped from the list in late 2002. Current Events was in the 2005 competition, but did not make a return. General Science was dropped and Astronomy was merged with Earth Science to create Earth and Space Science in 2011.
Russian inventor Genrich Altshuller developed an elaborate set of methods for problem solving known as TRIZ, which in many aspects reproduces or parallels Pólya's work. How to Solve it by Computer is a computer science book by R. G. Dromey . [ 29 ]
[5] [13] KCTS-TV commissioned a pilot for Bill Nye the Science Guy, which aired on April 14, 1993, on the station itself before airing on PBS stations nationwide for the rest of the month. [7] [5] Nye successfully obtained underwriting from the National Science Foundation and the U.S. Department of Energy. [7]
[117] [118] [119] With a mass above 5 μeV/ c 2 (10 −11 times the electron mass) axions could account for dark matter, and thus be both a dark-matter candidate and a solution to the strong CP problem. If inflation occurs at a low scale and lasts sufficiently long, the axion mass can be as low as 1 peV/ c 2. [120] [121] [122]
The module was 24.6 feet (7.5 m) long and 12.83 feet (3.91 m) in diameter. The initial lunar flight version weighed approximately 51,300 pounds (23,300 kg) fully fueled, while a later version designed to carry a lunar orbit scientific instrument package weighed just over 54,000 pounds (24,000 kg).