Physical Science - Energy - Introductory

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Full list of words from this list:

words only definitions & notes
  1. ampere
    the basic unit of electric current adopted under the Systeme International d'Unites
  2. atom
    the smallest component of an element
  3. battery
    a device that produces electricity
  4. calorie
    unit of heat raising 1 gram of water by 1 degree centigrade
  5. charge
    the quantity of unbalanced electricity in a body
  6. chemical energy
    that part of the energy in a substance that can be released by a chemical reaction
  7. circuit
    an electrical device providing a path for current to flow
  8. closed circuit
    a complete electrical circuit around which current flows or a signal circulates
  9. conduction
    the transmission of heat or electricity or sound
  10. conductor
    a device designed to transmit electricity or heat
  11. conservation
    maintenance of constant physical or chemical quantities
  12. conserve
    keep constant through physical or chemical reactions
  13. convection
    transfer of heat caused by molecular motion in liquid or gas
  14. conversion
    an event that results in a transformation
  15. current
    a flow of electricity through a conductor
  16. electric charge
    the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons
  17. electrical
    relating to or concerned with electricity
  18. electrical energy
    energy made available by the flow of electric charge through a conductor
  19. electricity
    a physical phenomenon that can produce light, heat and power
  20. electromagnetic
    pertaining to or exhibiting magnetism produced by electric charge in motion
  21. electromagnetic radiation
    radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
  22. emit
    give off, send forth, or discharge
  23. energy
    any source of usable power
  24. field
    space around a radiating body within which it exerts force
  25. force
    influence that results in motion, stress, etc. when applied
  26. fossil fuel
    energy-producing substance derived from preserved organisms
  27. geothermal energy
    energy derived from the heat in the interior of the earth
  28. gravity
    the force of attraction between all masses in the universe
  29. heat
    a form of energy transferred by a difference in temperature
  30. hydroelectric
    of or relating to or used in the production of electricity by waterpower
  31. hydroelectricity
    electricity produced by water power
  32. incandescence
    light emission by a body as its temperature is raised
  33. insulation
    reduction of the transmission of sound, heat, or electricity
  34. insulator
    a material with little electrical or thermal conductivity
  35. interaction
    the transfer of energy between elementary particles
  36. kinetic energy
    the mechanical energy that a body has by virtue of motion
  37. law of conservation of energy
    the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
  38. light
    electromagnetic radiation that can produce visual sensation
  39. luminescence
    the emission of light without heat
  40. magnetism
    attraction for iron
  41. matter
    that which has mass and occupies space
  42. mechanical energy
    energy in a mechanical form
  43. microwave
    a relatively short electromagnetic wave used for cooking food
  44. molecule
    the simplest structural unit of an element or compound
  45. motion
    the act of changing location from one place to another
  46. renewable
    capable of being replaced
  47. open circuit
    an incomplete electrical circuit in which no current flows
  48. particle
    a body having finite mass but negligible dimensions
  49. pendulum
    an apparatus in which an object is mounted to swing freely
  50. potential energy
    energy stored by a body or system by virtue of its position
  51. power
    (physics) the rate of doing work
  52. radiation
    energy transmitted in the form of rays or waves or particles
  53. solar energy
    energy from the sun that is converted into thermal or electrical energy
  54. solar radiation
    radiation from the sun
  55. sound
    mechanical vibrations transmitted by an elastic medium
  56. sound wave
    (acoustics) a wave that transmits sound
  57. spectrum
    an ordered array of the components of an emission or wave
  58. speed
    a rate at which something happens
  59. static electricity
    electricity produced by friction
  60. system
    a group of independent elements comprising a unified whole
  61. temperature
    the degree of hotness or coldness of a body or environment
  62. thermal
    relating to or associated with heat
  63. transfer
    the act of moving something from one form to another
  64. transformation
    the act of changing in form or shape or appearance
  65. volt
    a unit for measuring the force of an electric current
  66. voltage
    the rate at which energy is drawn from a source
  67. watt
    a unit of power equal to 1 joule per second
  68. wave
    (physics) a movement up and down or back and forth
  69. wind power
    power derived from the wind (as by windmills)
  70. work
    a manifestation of energy
Created on Mon Feb 20 15:55:58 EST 2017 (updated Wed Apr 19 10:53:22 EDT 2017)

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