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  • Matter - Wikipedia
    Matter is a general term describing any physical substance, which is sometimes defined in incompatible ways in different fields of science Some definitions are based on historical usage from a time when there was no reason to distinguish mass from simply a quantity of matter By contrast, mass is not a substance but a well-defined, extensive property of matter and other substances or systems
  • State of matter - Wikipedia
    In physics, a state of matter or phase of matter is one of the distinct forms in which matter can exist Four states of matter are observable in everyday life: solid, liquid, gas, and plasma
  • Chemistry - Wikipedia
    Chemistry is the scientific study of the properties and behavior of matter [1][2] 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 [3][4][5][6] Chemistry also
  • Hundreds of residents details shared in data breach - AOL
    A council chief has apologised after hundreds of residents' sensitive data was mistakenly shared online Some names, addresses, phone numbers and email addresses of 625 people who responded to
  • Chemical reaction - Wikipedia
    A thermite reaction using iron (III) oxide The sparks flying outwards are globules of molten iron trailing smoke in their wake A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another [1] When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated
  • Plasma (physics) - Wikipedia
    Plasma is called the fourth state of matter after solid, liquid, and gas [18][19][20] It is a state of matter in which an ionized substance becomes highly electrically conductive to the point that long-range electric and magnetic fields dominate its behaviour [21][22]
  • Interface (matter) - Wikipedia
    Interface (matter) In the physical sciences, an interface is the boundary between two spatial regions occupied by different matter, or by matter in different physical states The interface between matter and air, or matter and vacuum, is called a surface, and studied in surface science
  • Organic matter - Wikipedia
    Organic matter, organic material or natural organic matter is the large source of carbon-based compounds found within natural and engineered, terrestrial, and aquatic environments





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