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  2. Science - Wikipedia

    en.wikipedia.org/wiki/Science

    Science is a strict systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the world. [1] [2] Modern science is typically divided into three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study ...

  3. First grade - Wikipedia

    en.wikipedia.org/wiki/First_grade

    First grade (also 1st Grade or Grade 1) is the first year of formal or compulsory education. It is the first year of elementary school , and the first school year after kindergarten . Children in first grade are usually 6–7 years old.

  4. Learning centers in American elementary schools - Wikipedia

    en.wikipedia.org/wiki/Learning_centers_in...

    The discovery center sets the stage for students to use the scientific method to predict and find solutions starting during the second half of first grade. [14] Tyler, Texas' Discovery Science Place features numerous types of discovery centers. "Dramatic play" centers promote social interaction, role exploration, and abstract thinking. [15]

  5. Branches of science - Wikipedia

    en.wikipedia.org/wiki/Branches_of_science

    The formal sciences are the branches of science that are concerned with formal systems, such as logic, mathematics, theoretical computer science, information theory, systems theory, decision theory, statistics . Unlike other branches, the formal sciences are not concerned with the validity of theories based on observations in the real world ...

  6. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study ...

  7. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    A worksheet, in the word's original meaning, is a sheet of paper on which one performs work. They come in many forms, most commonly associated with children's school work assignments, tax forms, and accounting or other business environments. Software is increasingly taking over the paper-based worksheet.

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