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  2. Match - Wikipedia

    en.wikipedia.org/wiki/Match

    An igniting match. A match is a tool for starting a fire.Typically, matches are made of small wooden sticks or stiff paper.One end is coated with a material that can be ignited by friction generated by striking the match against a suitable surface. [1]

  3. List of materials properties - Wikipedia

    en.wikipedia.org/wiki/List_of_materials_properties

    A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.

  4. Phosphorus - Wikipedia

    en.wikipedia.org/wiki/Phosphorus

    The strip contains non-toxic red phosphorus and the match head potassium chlorate, an oxygen-releasing compound. When struck, small amounts of abrasion from match head and striker strip are mixed intimately to make a small quantity of Armstrong's mixture, a very touch sensitive composition. The fine powder ignites immediately and provides the ...

  5. Germanium - Wikipedia

    en.wikipedia.org/wiki/Germanium

    Physical properties; Phase at ... (DLC), refractive index 2.0, is a good match and produces a diamond-hard surface that can withstand much environmental abuse. ...

  6. Mineral - Wikipedia

    en.wikipedia.org/wiki/Mineral

    Physical properties applied for classification include crystal structure and habit, hardness, lustre, diaphaneity, colour, streak, cleavage and fracture, and specific gravity. Other less general tests include fluorescence , phosphorescence , magnetism , radioactivity , tenacity (response to mechanical induced changes of shape or form ...

  7. Physical property - Wikipedia

    en.wikipedia.org/wiki/Physical_property

    A physical property is any property of a physical system that is measurable. [1] The changes in the physical properties of a system can be used to describe its changes between momentary states. A quantifiable physical property is called physical quantity. Measurable physical quantities are often referred to as observables.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Specific modulus - Wikipedia

    en.wikipedia.org/wiki/Specific_modulus

    These buckling modes depend on material properties other than stiffness and density, so the stiffness-over-density-cubed metric is at best a starting point for analysis. For example, most wood species score better than most metals on this metric, but many metals can be formed into useful beams with much thinner walls than could be achieved with ...