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2. Science - Wikipedia

   en.wikipedia.org/wiki/Science

   Science is a strict systematic discipline that builds and organizes 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. 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.

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. List of citizen science projects - Wikipedia

   en.wikipedia.org/wiki/List_of_citizen_science...

   This list of citizen science projects involves projects that engage all age groups. There are projects specifically aimed at the younger age demographic like iTechExplorers [7] which was created by a 14 year old in the UK to assess the effects of bedtime technology on the body's circadian rhythm and can be completed in a classroom setting.

7. Outline of physical science - Wikipedia

   en.wikipedia.org/wiki/Outline_of_physical_science

   Physical science can be described as all of the following: A branch of science (a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe ). [ 1][ 2][ 3] A branch of natural science – natural science is a major branch of science that tries to explain and predict nature ...