NLN Study

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NLN Study
2010-12-21 20:39:55
NLN Study

NLN Study
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  1. Area of triangle
  2. Area of Circle
  3. Circumference of a circle
  4. Perimeter of Triangle
  5. Pythagorean therorem
    (applies only to right triangles)
  6. Surface area of cube
  7. Surface area of a rectangle
  8. yard
    3 feet
  9. pint
    16 oz
  10. quart
    2 pints
  11. gallon
    4 quarts
  12. acute angle
    angle greater than 0o and less than 90o
  13. Right angle
    exactly 90o
  14. Obtuse angle
    greater than 90o and less tha 180o
  15. Straight angle
    measures exactly 180o
  16. Complimentary angles
    two or more angles whose sum is 90o
  17. Supplementary angles
    two or more angles whose sum is 180o
  18. Scalene triangle
    No two angles of a scalene triangle are equal to each other
  19. Isosceles triangle
    Always has two equal angles
  20. Equilateral triangle
    all three angles equal 60o
  21. Acute triangle
    all 3 angles are less than 90o
  22. Obtuse triangle
    One angle greater than 90o
  23. Quadrilateral
    • polygon with 4 sides
    • Sum on the angles is always 360
  24. Nucleus
    contains genetic information or DNA and controls the cell activity
  25. Plasma membrane
    a semipermeable membrane that seperates the contents of the cell from the surrounding fluid
  26. Cytoplasm
    fluid matrix found between the plasma membrane and the nucleus that acts as scaffolding for the organelles
  27. Organelles
    "Little organs" specialized units in the cell that perform certain functions
  28. Mitochondria
    Location of cellular respiration which is the conversion of food to energy at the cellular level
  29. Ribosomes
    Site of protein synthesis in the cess
  30. Endoplasmic reticulum
    Means for transporet within the cell and is made up of many channels
  31. Rough endoplasmic reticulum
    has ribosomes on its surface. Serves to store and deliver protein made by the attached ribosmes
  32. Smooth Endoplasmic reticulum
    storage of enzymes and minerals and the folding of proteins
  33. Golgi complex
    modifies and packages proteins destined for use int he cell or for export from the cell
  34. Lysosomes
    sacs that sontain strong digestive enzymes responsible for digesting cell structures that are no longer living or that are malfunctioning and for digesting waste
  35. Plants Cells
    can be distinguished by the facts that they are surrounded by a cell wall and contain chloroplasts
  36. Vacuoles (plant cells)
    compartments in the cytoplasm that act as places for secretion, excretion and storage
  37. Active transport
    Involves use of energy in the form of ATP to move substances across the membrane
  38. Passive transport
    Does NOT require energy and makes use of diffusion and filtration
  39. Diffusion
    Particle move in a random manner spreading evenly throughout and available space and moving from regions of high concentration to lower concentration
  40. Osmosis
    Water moves from an area of high water concentration to and area of low water concentration
  41. Isotonic
    solute concentration of the water is the same as that inside the cell
  42. hypertonic
    solute is more concentrated outisde of the cell than inside
  43. Hypotonic
    solute concentration outside the cell is lower thatn that inside the cell
  44. Primary consumer
    obtain their food by consuming plants or animals
  45. Secondary consumer
    carnivores or omnivores that eat herbivores
  46. Tertiary consumers
    carnivores that eat other carnivores or omnivores
  47. Law of Dominance
    individuals with contrasting traits are crossed, the dominant trait is expressed and the recessive trait is masked
  48. Law of segregation
    when two hybrids are crossed the hidden trait becomes segregated and appears in 25% of the offspring
  49. Law of independent Assortment
    genes on different chromosomes are inherited independently of each other
  50. Light microscope
    magnifies up to 2000 times
  51. Electron micorscope
    magnifies up to 2 million times
  52. Ligaments
    connect bone to bone
  53. Tendon
    connect muscle to bone
  54. Cornea
    allows light to enter the eye
  55. iris
    • eye color
    • changes in size regulating how much light is allowed to enter the pupil
  56. lens
    focuses light onto the retina
  57. retina
    innermost layer of the eyeball and contains two types of photoreceptor cells
  58. rod cells
    • sensitive to light
    • distinguishes between black and white, and allows us to see at night
  59. Cone cells
    allows to distinguish colors in the day
  60. Proton
    positive chargee and found in nucleus
  61. Neutron
    Neutral and found in nucleus
  62. Atomic number
    is equal to the number of protons found in the nucleus of each of its atoms
  63. Mass number
    equal to the number of nucleons(protons + neutrons)
  64. Covalent bond
    atoms form molecules by sharing pairs of electrons
  65. nonpolar covalent bond
    two atoms sharing electrons equally
  66. polar covalent bond
    two atoms share electrons unequally
  67. condensation
    gas to liquid
  68. sublimation
    direct change between the solid phase and the gaseous phase without a liquid phase
  69. Acid
    denotes hydrogen ions
  70. Base
    denotes hydroxide ions
  71. Lugols solution (iodine)
    turns blue-black in the presence of starch
  72. Benedicts solution
    when heated with a simple sugar turns red
  73. Displacement
    • distance that and object is from some starting point
    • measured in units of length
  74. Motion
    • displacement is constantly changing
    • described by displacement, velocity(speed) and acceleration
  75. Speed
    distance traveled by an object per unit of time

    S=distance traveled/time
  76. Velocity
    • speed in a given direction
    • speed and direction
  77. Acceleration
    Acceleration=final velocity-original velocity/time
  78. Momentum
    M=mass x velocity
  79. Newton's 1st law (law of inertia
    objects in motion tend to stay in motion and that objects at reast tend to stay at rest
  80. Newton's 2nd law
    relationship between force, mass and acceleration

    force=mass x acceleration
  81. Kinectic energy
    ability to do work

    kinetic energy=1/2 (mass x velocity)2
  82. Potential energy
    stored energy
  83. Work
    work=force x distance
  84. Boyle's law
    When temperature is constant, the pressure of a gas varies inversely with its volume
  85. Charle's law
    volume of a fixed amount of gas varies directly with its temperature. If temperature increased, volume increases
  86. Kelvin to Celsius
    Kelvin=Celsius + 273
  87. Fahrenheit to Celsius
    Fahrenheit=(9/5+celsius) + 32
  88. Amplitude
    Maximum distance a wave rises or falls as it travels

    • Brightness with light
    • Loudness with sound waves
  89. Frequency of a wave
    how oftne a cycle repeats itself in s specific time unit
  90. resonance
    occurs when the vibration of one system results in the vibration of the other system at the same frequency
  91. Pitch
    has to do with frequency
  92. Refraction
    the bending of light rays as they pass from one medium to another because light moves at different speeds through different mediums
  93. Coulomb's law
    electric force between two charges is proportional to the product of the two charges
  94. Electrical power
    power = voltage x current
  95. watts
    watts=volts x amperes