Science Final

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Science Final
2012-05-17 16:55:14

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  1. A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas.
  2. A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas.
  3. Any mixture of two or more immiscible liquids in which one liquid is dispersed in the other.
  4. a homogeneous mixture of two or more substances uniformly dispersed throughout a single phase.
  5. The substance that dissolves in the solvent.
  6. The substance in which the solute dissolves.
  7. A molecule that has an uneven distribution of electrons.
    Polar Compound
  8. The intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule.
    Hydrogen Bond
  9. The ability of one substance to dissolve in another at a given temperature and pressure; expressed in terms of the maximum amount of solute that will dissolve in a given amount of solvent.
  10. Capable of dissolving in a particular solvent.
  11. Not able to dissolve in a solvent.
  12. A solution that is able to dissolve additional solute.
  13. A solution that cannot dissolve any more solute under the given conditions.
  14. A solution that holds more solute than normal, when the solution is heated.
  15. A object's change in position relative to a reference point.
  16. The change in position of an object.
  17. The distance traveled by an object divided by the time interval during which the motion occured.
  18. The speed of an object in a particular direction.
  19. The rate at which velocity changes over time; It happens with the change of speed, direction, or both.
  20. An action exerted on a body in order to change the body's state of rest or motion; force has magnitude and direction.
  21. A force that opposes motion between two surfaces that are in contact.
  22. The force that resists the initiation of sliding motion between two surfaces that are in contact and at rest.
    Static Friction
  23. The force that opposes the movement of two surfaces that are in contact and are sliding over each other.
    Kinetic Friction
  24. The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object.
  25. A object at rest remains at rest and an object in motion maintains its velocity unless it experiences an unbalanced force.
    Newton's First Law of Motion
  26. The unbalanced force acting on an object equals the object's mass times its acceleration.
    Newton's Second Law of Motion
  27. For every action force, there is an equal and opposite reaction.
    Newton's Third Law of Motion
  28. A quantity defined as the product of the mass and velocity of an object.
  29. The motion of a body when only the force of gravity is acting on the body.
    Free Fall
  30. The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity.
    Terminal Velocity
  31. The curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth; the motion of object's that are moving in two dimensions under the influence of gravity.
    Projectile Motion
  32. The quantity of energy transferred by a force when it is applied to a body and causes that body to move in the direction of the force.
  33. A quantity that measures the rate at which work is done.
  34. A quantity that measures how much a machine multiples force or distance.
    Mechanical Advantage
  35. One of the six basic types of machines of which all other machines are composed.
    Simple Machines
  36. A machine made of more than one simple machine.
    Compound Machines
  37. The stored energy resulting from teh relative positions of objects in a system.
    Potential Energy
  38. The energy of a moving object due to its motion.
    Kinetic Energy
  39. The sum of the kinetic and potential energy of large scale objects in a system.
    Mechanical Energy
  40. A quantity, usually expressed as a percentage, that measures the ratio of useful work output to work input.
  41. A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium.
  42. A physical environment in which phenomena occur.
  43. A wave that requires a medium through which to travel.
    Mechanical Wave
  44. A wave that consists of oscillating electric and magnetic fields, which radiate outward at the speed of light.
    Electromagnetic Wave
  45. A wave in which the particles of the medium move perpendicular to the direction the wave is traveling.
    Transverse Wave
  46. A wave in which the particles of the medium vibrate parallel to the direction of wave motion.
    Longitudinal Wave
  47. The bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through.
  48. A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening.
  49. The bending of a light ray as it passes from one substance to another one with a different density.
  50. The combination of two or more waves of the same frequency that results in a single wave.
  51. A superposition of two or more waves that produces a greater intensity than the sum of the intensities of the individual waves.
    Constructive Interference
  52. A superposition of two or more waves whose intensity is less than the sum of the intensities of the individual waves.
    Destructive Interference
  53. A pattern of vibration that simulates a wave that is standing still.
    Standing Wave
  54. A longitudinal wave that is caused by vibrations and that travels through a material medium.
    Sound Wave
  55. A measure of how high or low a sound is perceived to be depending on the frequency of the sound wave.
  56. Slow vibrations of frequencies lower than 20 Hz.
  57. Any sound wave with frequencies higher than 20,000 Hz.
  58. A phenomenon that occurs when 2 objects naturally vibrate at the same frequency.
  59. Sound navigation and ranging, a system that uses acoustic signals to determine the location of objects or to communicate.
  60. A unit or quantum of light; a particle of electromagnetic radiation that has zero rest mass and carries a quantum of energy.
  61. All of the frequencies or wavelengths of electromagnetic radiation.
    Electromagnetic Spectrum
  62. A solid or liquid mixture of two or more metals.
  63. A compound whose electrons are equally distributed amoung its atoms.
    Nonpolar Compound
  64. The amount of a particular substance in a given quantity of a mixture, solution, or ore.
  65. A mixture with uniform structure throughout.
    Homogenous Mixture
  66. A mixture composed of dissimilar components.
    Heterogeneous Mixture
  67. The extent or amount of space between two things.
  68. Material that absorbs and reflects light.
  69. Light of electomagnetic spectrum that humans see.
    Visible Light