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Natural science can be divided into two main branches: life science and physical science. Life science is alternatively known as biology, and physical science is subdivided into branches: physics, chemistry, earth science, and astronomy. These branches of natural science may be further divided into more specialized branches (also known as fields).
The term algebra is derived from the Arabic word al-jabr meaning 'the reunion of broken parts' that he used for naming one of these methods in the title of his main treatise. [ 31 ] [ 32 ] Algebra became an area in its own right only with François Viète (1540–1603), who introduced the use of variables for representing unknown or unspecified ...
It provides teachers with free lessons and resources for pupils aged from 4 to 16, from reception to year 11. [1] Oak also includes a specialist curriculum for supporting pupils who normally attend specialist settings. [2] Oak was created in response to the 2020 United Kingdom education shutdown during the COVID-19 pandemic. [3]
Seventh grade (also 7th Grade or Grade 7) is the seventh year of formal or compulsory education. The seventh grade is typically the first or second year of middle school. In the United States, kids in seventh grade are usually around 12–13 years old. Different terms and numbers are used in other parts of the world.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Science & Tech. Shopping. Sports. Weather. 24/7 Help. ... In terms of exercise, the most active group logged about 160 minutes a day of walking. The least active group, meanwhile, spent about 49 ...