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  2. Trends in International Mathematics and Science Study - Wikipedia

    en.wikipedia.org/wiki/Trends_in_International...

    For example, results of the fourth grade in TIMSS 1995 can be compared with the results of the eighth grade in TIMSS 1999, as fourth graders had become eighth graders in the next cycle of study. [9] The collected information is presented in different formats.

  3. Fourth grade - Wikipedia

    en.wikipedia.org/wiki/Fourth_grade

    In India, where children enter Class 4 at the ages 9 to 10 it is called Lower Primary, it is known as the fourth grade. 5-7 standard categories as Upper Primary (UP) . Lower Primary gives the basic education necessary for a kid and when they get to the UP section , advanced knowledge will be provided via lessons or modules .

  4. Homework - Wikipedia

    en.wikipedia.org/wiki/Homework

    Common homework assignments may include required reading, a writing or typing project, mathematical exercises to be completed, information to be reviewed before a test, or other skills to be practiced. The effects of homework are debated. Generally speaking, homework does not improve academic performance among young children. Homework may ...

  5. Complexly - Wikipedia

    en.wikipedia.org/wiki/Complexly

    Originally named EcoGeek LLC, it was founded by Hank Green to support his blog on environmental and science issues and was renamed in 2016. [4] Also associated with the Green brothers, but separate from Complexly's operations, are DFTBA Records , the Project for Awesome , VidCon (acquired by Viacom ), [ 5 ] and Subbable (acquired by Patreon ).

  6. State of matter - Wikipedia

    en.wikipedia.org/wiki/State_of_matter

    An example is magnetite (Fe 3 O 4), which contains Fe 2+ and Fe 3+ ions with different magnetic moments. A quantum spin liquid (QSL) is a disordered state in a system of interacting quantum spins which preserves its disorder to very low temperatures, unlike other disordered states. It is not a liquid in physical sense, but a solid whose ...

  7. Tesseract - Wikipedia

    en.wikipedia.org/wiki/Tesseract

    The regular complex polytope 4 {4} 2, , in has a real representation as a tesseract or 4-4 duoprism in 4-dimensional space. 4 {4} 2 has 16 vertices, and 8 4-edges. Its symmetry is 4 [4] 2, order 32. It also has a lower symmetry construction, , or 4 {}× 4 {}, with symmetry 4 [2] 4, order 16. This is the symmetry if the red and blue 4-edges are ...

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