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Validity, accuracy, and social mechanisms ensuring quality control, such as peer review and repeatability of findings, are amongst the criteria and methods used for this purpose. Natural science can be broken into two main branches: life science (for example biology) and physical science. Each of these branches, and all of their sub-branches ...
psychophysics, the science of physical relations in psychology; quantum computing, the study of quantum-mechanical computation systems; sociophysics or social physics, is a field of science which uses mathematical tools inspired by physics to understand the behaviour of human crowds
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, astronomy and Earth science. These branches of natural science may be further divided into more specialized branches (also known as fields).
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.
The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured. Many of these are redundant, in the sense that they obey a known relationship with other physical ...
Electromagnetism – branch of science concerned with the forces that occur between electrically charged particles. Geophysics – the physics of the Earth and its environment in space; also the study of the Earth using quantitative physical methods; Magnetism – the study of physical phenomena that are mediated by magnetic field.