# Portal:Natural sciences and mathematics

From en-Rightpedia

The natural sciences and mathematics seek to understand the natural world. They include the following branches of knowledge (ordered from most fundamental towards most specialized):

- Mathematics - the group of sciences (arithmetic, geometry, algebra, calculus, etc.) dealing with quantities, magnitudes, and forms, and their relationships, attributes, etc., by the use of numbers and symbols
^{[1]}. - Physics - the general science of nature, on all scales from the smallest to the largest possible.
- Astronomy - the science of celestial objects and phenomena that originate outside the Earth's atmosphere.
- Chemistry - the science of the composition, structure and properties of matter matter, with focus on the possible chemical reactions.
- Biology - the science of phenomena related to living organisms.
- Geology - the science of phenomena related to the earth, such as earthquakes.

## Contents

## Notable scientists

## Articles

### Mathematics

*For a list of all articles, see Mathematics.*

#### Arithmetic

*For a list of all articles, see Arithmetic.*

#### Geometry

*For a list of all articles, see Geometry.*

- Circle
- Cone
- Ellipse
- Euclid's definitions and axioms
- Hyperbola
- Metageometry
- Parabola
- Theorem of Pythagoras

#### Algebra

*For a list of all articles, see Algebra.*

#### Calculus

*For a list of all articles, see Calculus.*

#### Statistics

*For a list of all articles, see Statistics.*

### Physics

*For a list of all articles, see Physics.*

#### Kinematics and mechanics

- Acceleration
- Energy
- Force
- Newton's Laws of Motion
- Principle of inertia
- Principle of relativity
- Velocity

#### Gravitation

#### Optics

#### Electromagnetism

- Coulomb's law
- Fizeau experiment
- Lorentz force
- Maxwell's equations
- Mass-energy equivalence
- Michelson-Morley experiment
- relativity theory of Lorentz

#### Quantum mechanics

### Astronomy

*For a list of all articles, see Astronomy.*

### Chemistry

*For a list of all articles, see Chemistry.*

### Biology

*For a list of all articles, see Biology.*

### Geology

*For a list of all articles, see Geology.*

## References

- ↑ Webster's new world dictionary of the American Language, 1972 edition, The World Publishing Company: Nashville, Tenn.

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