Material is anything made of matter Matter is a general term for the substance of which all physical objects are made. Typically, this includes atoms and other particles which have mass. However in practice there is no single correct scientific meaning; each field uses the term in different and often incompatible ways. A common way of defining matter is as anything that has mass and, constituted of one or more substances In chemistry, a chemical substance is a material with a specific chemical composition. Wood, cement, hydrogen, air and water are all examples of materials. Sometimes the term "material" is used more narrowly to refer to substances or components with certain physical properties that are used as inputs to production In microeconomics, industrial organization is the field which describes the behavior of firms in the marketplace with regard to production, pricing, employment and other decisions. Topics in this field range from classical issues such as opportunity cost to neoclassical concepts such as factors of production or manufacturing Manufacturing is the use of machines, tools and labor to make things for use or sale. Also it can be used for selling things. The term may refer to a range of human activity, from handicraft to high tech, but is most commonly applied to industrial production, in which raw materials are transformed into finished goods on a large scale. Such. In this sense, materials are the parts required to make something else, from buildings Buildings come in a wide amount of shapes and functions, and have been adapted throughout history for a wide number of factors, from building materials available, to weather conditions, to land prices, ground conditions, specific uses and aesthetic reasons and art In drawing, "media" refers to the type of held dry tool used and the base onto which it is transferred. The "held dry tool" normally means a pencil, or stick medium, referred to as a "crayon". Small particles of broken-off stick medium are transferred to a base or plane of production on which the artwork is produced to stars Star formation is the process by which dense parts of molecular clouds collapse into a ball of plasma to form a star. As a branch of astronomy star formation includes the study of the interstellar medium and giant molecular clouds as precursors to the star formation process and the study of young stellar objects and planet formation as its and computers A computer is a programmable machine that receives input, stores and manipulates data//information, and provides output in a useful format.
Contents |
Raw materials and processing
A material can be anything: a finished product in its own right or an unprocessed raw material A raw material is something that is acted upon or used by or by human labor or industry, for use as a building material to create some product or structure.[citation needed] Often the term is used to denote material that came from nature and is in an unprocessed or minimally processed state. Iron ore, logs, and crude oil, would be examples. A non-. Raw materials are first extracted or harvested from the earth and divided into a form that can be easily transported and stored, then processed to produce semi-finished materials. These can be input into a new cycle of production and finishing processes to create finished materials, ready for distribution Physical distribution is one of the four elements of the marketing mix. An organization or set of organizations (go-betweens) involved in the process of making a product or service available for use or consumption by a consumer or business user, construction In the fields of architecture and civil engineering, construction is a process that consists of the building or assembling of infrastructure. Far from being a single activity, large scale construction is a feat of multitasking. Normally the job is managed by the project manager and supervised by the construction manager, design engineer,, and consumption Consumption is a common concept in economics, and gives rise to derived concepts such as consumer debt. Generally, consumption is defined by opposition to production. But the precise definition can vary because different schools of economists define production quite differently. According to some economists, only the final purchase of goods and.
Examples
- Cotton
An example of a raw material is cotton Cotton is a soft, fluffy staple fiber that grows in a boll around the seeds of the cotton plant. The plant is a shrub native to tropical and subtropical regions around the world, including the Americas, Pakistan, India and Africa. The fiber most often is spun into yarn or thread and used to make a soft, breathable textile, which is the most widely, which is harvested from plants. Cotton can be processed into thread (also considered a raw material), which can then be woven into cloth A textile is a flexible material consisting of a network of natural or artificial fibres often referred to as thread or yarn. Yarn is produced by spinning raw wool fibres, linen, cotton, or other material on a spinning wheel to produce long strands. Textiles are formed by weaving, knitting, crocheting, knotting, or pressing fibres together, a semi-finished material. Cutting and sewing the fabric turns it into a garment A feature of all modern human societies is the wearing of clothing, a category encompassing a wide variety of materials that cover the body. The primary purpose of clothing is functional, as a protection from the elements. Clothes also enhance safety during hazardous activities such as hiking and cooking, by providing a barrier between the skin, which is a finished product.
- Steel
Steelmaking Steelmaking is the second step in producing steel from iron ore. In this stage, impurities such as sulfur, phosphorus, and excess carbon are removed from the raw iron, and alloying elements such as manganese, nickel, chromium and vanadium are added to produce the exact steel required is another example – raw materials in the form of ore An ore is a type of rock that contains minerals with important elements including metals. The ores are extracted through mining; these are then refined to extract the valuable element are mined, refined and processed into steel Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten. Carbon and other elements act as a hardening agent, preventing, a semi-finished material. Steel is then used as an input in many other industries to make finished products.
Chemistry
In chemistry Chemistry is the science of matter and the changes it undergoes. The science of matter is also addressed by physics, but while physics takes a more general and fundamental approach, chemistry is more specialized, being concerned with the composition, behavior, structure, and properties of matter, as well as the changes it undergoes during chemical materials can be divided into different typologies in relation to their composition, for example:
- metals A metal is a chemical element that is a good conductor of both electricity and heat and forms cations and ionic bonds with non-metals. In chemistry, a metal is an element, compound, or alloy characterized by high electrical conductivity. In a metal, atoms readily lose electrons to form positive ions (cations). Those ions are surrounded by and alloys An alloy is a partial or complete solid solution of one or more elements in a metallic matrix. Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may be homogeneous in distribution depending on thermal history. Alloys usually have different properties from those of the
- ceramics A ceramic is an inorganic, non-metallic solid prepared by the action of heat and subsequent cooling. Ceramic materials may have a crystalline or partly crystalline structure, or may be amorphous . Because most common ceramics are crystalline, the definition of ceramic is often restricted to inorganic crystalline materials, as opposed to the non-
- plastics A plastic material is any of a wide range of synthetic or semi-synthetic organic amorphous solids[citation needed] used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce costs. Monomers of plastic are either natural or synthetic
- semiconductors A semiconductor is a material that has an electrical conductivity due to flowing electrons which is intermediate in magnitude between that of a conductor and an insulator. This means roughly in the range 103 to 10−8 siemens per centimeter. Devices made from semiconductor materials are the foundation of modern electronics, including radio,
- composite materials Composite materials, often shortened to composites, are engineered materials made from two or more constituent materials with significantly different physical or chemical properties which remain separate and distinct on a macroscopic level within the finished structure.
References
See also
| Wikimedia Commons has media related to: Materials |
- Chemical substance In chemistry, a chemical substance is a material with a specific chemical composition
- Chemical compound A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together in a defined spatial arrangement by chemical bonds
- Materials science Materials science is an interdisciplinary field involving the properties of matter and its applications to various areas of science and engineering. This science investigates the relationship between the structure of materials at atomic or molecular scales and their macroscopic properties. It includes elements of applied physics and chemistry
- List of building materials Building materials used in the construction industry to create buildings and structures
- Raw material A raw material is something that is acted upon or used by or by human labor or industry, for use as a building material to create some product or structure.[citation needed] Often the term is used to denote material that came from nature and is in an unprocessed or minimally processed state. Iron ore, logs, and crude oil, would be examples. A non-
Sun, 11 Jul 2010 16:50:55 GMT+00:00
Dates Back to ... ResourceShelf (blog) The other day we posted an item that shared some dates and background about Google's digitization efforts. We concluded the post with a mention of Google ...
459px x 400px | 100.50kB
[source page]
Reclaimed southern yellow pine used dental drill bits found steel table spindles from discarded Harvard chair On one level this piece demonstrates roles in reverse The plant has become the carnivore the dental drills have turned to fangs and teeth the back supporting spindles have been re incarnated as legs On another level it is a mirror for our
unknown
Sun, 25 Jul 2010 04:24:53 GM
1z0-033 ExamOracle9i Database:Performance TuningExam Number/Code : 1z0-033Exam Name : Oracle9i Database:Performance TuningQuestions and Answers.
Q. I am starting a special education class, after school that i will be helping with kids on homework from grades pre-k to 3rd grade. What do i need to start out with.? What materials and everything. I already know of students i just need to know what else i need.
Asked by Gabriel - Thu Aug 3 14:44:37 2006 - - 8 Answers - 0 Comments
A. i echo some of the suggestions already given such as blocks, white boards, picture books, and computer programs. those are all great things to have in the classroom. some more helpful things to have on hand are wooden puzzles, tangrams, file folder games for when they finish their work, graph art, stress balls to calm themselves down, beanbags, books on tape, fat crayons, fat pencils, pencil grips, incentive charts, and board games for social skills. since you have such a young group, a picture schedule will help out a lot. kids always want to know what's next on the to-do list. also, you can make a picture list of activities they can do quietly when they are done with their work. if you'll be working with a speech teacher, OT, or… [cont.]
Answered by Plumeria - Thu Aug 3 20:04:59 2006
