Physics

Items

• space

  A limited extent in one, two, or three dimensions
• spark

  A luminous disruptive electrical discharge of very short duration between two conductors separated by a gas (such as air)
• specific

  Being any of various arbitrary physical constants and especially one relating a quantitative attribute to unit mass, volume, or area
• spectrum

  A continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order.
• specular

  Of, relating to, or having the qualities of a mirror
• speed

  The magnitude of a velocity irrespective of direction
• sphere

  A globular body
• sphere

  Zone, layer or region enveloping or radiating from the earth or another celestial body
• spontaneous

  Developing or occurring without apparent external influence, force, cause, or treatment.
• square

  A rectangle with all four sides equal.
• square

  The product of a number multiplied by itself.
• stability

  The property of a body that causes it when disturbed from a condition of equilibrium or steady motion to develop forces or moments that restore the original condition.
• standard

  Something set up and established by authority as a rule for the measure of quantity, weight, extent, value, or quality.
• state

  Mode or condition of being
• static

  Of or relating to bodies at rest or forces in equilibrium
• stimulated

  Excited to activity or growth or to greater activity
• strain

  Deformation of a material body under the action of applied forces
• stratify

  To divide into a series of graded statuses
• stratosphere

  The part of the earth's atmosphere which extends from the top of the troposphere to about 30 miles (50 kilometers) above the surface and in which temperature increases gradually to about 32°F (0°C) and clouds rarely form
• stress

  A force exerted when one body or body part presses on, pulls on, pushes against, or tends to compress or twist another body or body part; The deformation caused in a body by such a force
• structure

  The arrangement of particles or parts in a substance or body
• sublimation

  To pass directly from the solid to the vapour state
• subscript

  A distinguishing symbol (such as a letter or numeral) written immediately below or below and to the right or left of another character.
• subshell

  Any of the one or more orbitals making up an electron shell of an atom.
• substance

  Physical material from which something is made or which has discrete existence.