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  2. Seventh grade - Wikipedia

    en.wikipedia.org/wiki/Seventh_grade

    In Belgium, 7th grade is the first year of high school. When reaching the age of 12 or 13, the children go from primary school (“basisschool”) to secondary school (“middelbare school”). 7th grade is preparation for the rest of the high school period. It is also used to reference students' capability, to make sure they belong to the ...

  3. Naturales quaestiones - Wikipedia

    en.wikipedia.org/wiki/Naturales_quaestiones

    Naturales quaestiones (Natural Questions) is a Latin work of natural philosophy written by Seneca around 65 AD. It is not a systematic encyclopedia like the Naturalis Historia of Pliny the Elder, though with Pliny's work it represents one of the few Roman works dedicated to investigating the natural world. Seneca's investigation takes place ...

  4. Earth system science - Wikipedia

    en.wikipedia.org/wiki/Earth_system_science

    Earth system science (ESS) is the application of systems science to the Earth. [1][2][3][4] In particular, it considers interactions and 'feedbacks', through material and energy fluxes, between the Earth's sub-systems' cycles, processes and "spheres"— atmosphere, hydrosphere, cryosphere, [5] geosphere, pedosphere, lithosphere, biosphere, [6 ...

  5. Natural science - Wikipedia

    en.wikipedia.org/wiki/Natural_science

    v. t. e. Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. [1] Mechanisms such as peer review and reproducibility of findings are used to try to ensure the validity of scientific advances.

  6. Patterns in nature - Wikipedia

    en.wikipedia.org/wiki/Patterns_in_nature

    Patterns in nature are visible regularities of form found in the natural world. These patterns recur in different contexts and can sometimes be modelled mathematically. Natural patterns include symmetries, trees, spirals, meanders, waves, foams, tessellations, cracks and stripes. [1] Early Greek philosophers studied pattern, with Plato ...

  7. Scientific law - Wikipedia

    en.wikipedia.org/wiki/Scientific_law

    Scientific laws or laws of science are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena. [ 1 ] The term law has diverse usage in many cases (approximate, accurate, broad, or narrow) across all fields of natural science (physics, chemistry, astronomy, geoscience, biology).

  8. Index of branches of science - Wikipedia

    en.wikipedia.org/wiki/Index_of_branches_of_science

    Eccrinology – study of excretion. Ecology – study of environment. Economics – study of material wealth (production, distribution, and consumption of goods and services). Edaphology – study of soils. Egyptology – study of ancient Egypt. Eidology – study of mental imagery. [2] Ekistics – study of human settlement.

  9. Earth science - Wikipedia

    en.wikipedia.org/wiki/Earth_science

    Earth science. The rocky side of a mountain creek in Costa Rica. Earth science or geoscience includes all fields of natural science related to the planet Earth. [1] This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere, hydrosphere ...

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