Technology Education

1
Technology Education

• Technical Vocabulary

2
Modules

• Audio Broadcasting
• CADD
• CGA
• CNC Lathe
• CNC Mill
• Computer Technology
• Digital Design
• Dig. Transportation

• Digital Video
• Electronics
• Engineering Bridges
• Flight Technology
• Light Lasers
• Practical Skills
• Research Design
• Robots
• Orientation

3
Audio Broadcasting

• Amplitude
• Antenna
• Audio
• Communication
• Data
• Decibel
• Format
• Microphone

• Mixer
• Radio
• Radio Wave
• Receiver
• Synthesizer
• Transmitter

4
CADD

• Diameter
• Horizontal Lines
• Orthographic Projection
• Vertical Lines
• Angle
• Dimension

• Parallel Lines
• CADD
• Drafting
• Object Lines
• Perpendicular Lines
• Radius

5
CGA

• Animation
• Bug
• Chip
• Cyberspace
• Fractal
• Hardware
• Interactive
• Microprocessor

• Morph
• Optical Disk
• Pixel
• Resolution
• Stop-motion Animation
• Virtual Reality
• Virus

6
CNC Lathe

• CNC
• Cartesian Coordinate System
• G Codes
• Finishing Cuts
• Tool Path
• Chuck
• Rapid Traverse
• Feed Rate

• Spindle
• Roughing Cuts
• Counter Clockwise
• Tolerance
• Automation
• CAM
• Axis

7
CNC Mill

• CNC
• Cartesian Coordinate System
• Primary Processes
• Secondary Processes
• Three Dimensional
• Billet
• Rapid Traverse
• Feed Rate

• Spindle Speed
• Spindle
• Specifications
• Tolerance
• Automation
• Prototype
• Axis

8
Computer Technology

• Computer
• ENIAC
• Central Processing Unit
• Input Device
• Electrostatic Discharge
• Keyboard
• Mouse
• Operating System

• RAM
• ROM
• USB Port
• Expansion Card
• Computer Virus
• Microprocessor

9
Digital Design

• Logo
• Balance
• Proportion
• Symmetrical
• Asymmetrical
• Formal Balance
• Informal Balance
• Rhythm

• Complimentary Colors
• Axis
• Color Wheel
• Contrasting Colors
• Harmony
• Contrast
• Unity

10
Digital Transportation

• Navigation
• Prime Meridian
• Equator
• Binary
• Trilateration
• Transportation
• Itinerary
• Global Positioning

• Longitude
• Latitude
• Elevation
• Interstate
• Route
• Compass

11
Digital Video

• Animation
• Chroma Keying
• Clip
• Cut
• Dissolve
• Editing
• Frame
• Frame Rate

• Post-production
• Pre-production
• Production
• SMPTE Time Code
• Storyboard
• Transition

12
Electronics

• Capacitor
• Circuit
• Circuit Board
• Light-Emitting Diode
• Ohm

• Resistance
• Resistor
• Schematic
• Solder
• Voltage

13
Engineering Bridges

• Abutment
• Arch
• Civil Engineer
• Compression
• Keystone
• Span

• Substructure
• Superstructure
• Suspension Structure
• Tension
• Truss

14
Flight Technology

• Aileron
• Altitude
• Bearing
• Drag
• Elevators
• Equilibrium
• Fuselage
• Heading

• Latitude
• Lift
• Longitude
• Rudder
• Thrust
• Mach I
• Mach II

15
Light Lasers

• Visible Light
• Electromagnetic Spectrum
• Laser
• Refraction
• Reflection
• Magnification
• Photon
• Lens

• Infrared Light
• Ultraviolet Light
• Wavelength
• Frequency
• Convex Lens
• Concave Lens

16
Practical Skills

• Wattage
• Wrought Iron
• Inert
• Fastener
• Soil Stack
• Wheel and Axle
• Plumbing
• Lever

• Metric System
• Filament
• Tolerance
• DWV System
• English Units of Measurement
• Pre-fabricate
• Kilowatt

17
Research Design

• Aerodynamics
• CO2
• Drag
• Limitations
• Pattern

• Prototype
• Sketch
• Streamline
• Thumbnail
• Tolerance

18
Robots

• Automation
• Axis
• Cartesian Coordinate System
• End Effecter
• Programming (Robots)

• Remote Control
• Repetitive
• Teach Pendant
• Work Envelope
• Labor or Slave
• Robot

19
Orientation

• Session
• Module Guide
• Post Test
• Enrichments
• Test Review
• Rotation
• Module
• PIN

• Workstation
• Personal Step
• Student Portfolio
• Agent
• Student Tip
• Orientation
• F5 key and F8 key

20
Abutment
a mass, as of masonry, receiving the arch, beam,
truss, etc., at each end of a bridge.
21
Aerodynamics

• the branch of mechanics that deals with the
  motion of air and other gases and with the
  effects of such motion on bodies in the medium.

22
Agent

• Icon that student must click when working in
  modules to access a third party software.
• Example Use 3D Home Architect program in the
  CADD station.

23
Aileron

• Either of two movable flaps on the wings of an
  airplane that can be used to control the plane's
  rolling and banking movements.

24
Altitude
25
Automation

• a mechanical device, operated electronically,
  that functions automatically, without continuous
  input from an operator.

26
Amplitude

• the maximum deviation of an alternating current
  from its average value.

27
Angle

• the space within two lines or three or more
  planes diverging from a common point, or within
  two planes diverging from a common line.

28
Animation

• The creation of artificial moving images. The
  process of preparing animated cartoons.

29
Antenna

• an electrical device that sends or receives radio
  or television signals

30
Arch

• a curved masonry construction for spanning an
  opening, consisting of a number of wedge like
  stones, bricks, or the like, set with the
  narrower side toward the opening in such a way
  that forces on the arch are transmitted as
  vertical or oblique stresses on either side of
  the opening.

31
Asymmetrical

• not identical on both sides of a central line
  unsymmetrical lacking symmetry

32
Audio

• of, pertaining to, or employed in the
  transmission, reception, or reproduction of
  sound.

33
Axis

• a line about which a three-dimensional body or
  figure is symmetrical.
• any line used as a fixed reference in conjunction
  with one or more other references for determining
  the position of a point or of a series of points
  forming a curve or a surface.

34
Balance

• composition or placement of elements of design,
  as figures, forms, or colors, in such a manner as
  to produce an aesthetically pleasing or
  harmoniously integrated whole.

35
Bearing

• to tend in a course or direction move go to
  bear west to bear left at the fork in the road.

36
Billet

• A small, usually rectangular bar of iron or steel
  in an intermediate stage of manufacture.

37
Binary

• consisting of, indicating, or involving two.

38
Bug

• a defect or imperfection, as in a mechanical
  device, computer program, or plan glitch

39
CADD

• Acronym meaning Computer Aided Drafting Design.
  The method used by modern day drafters,
  architects and engineers to complete floor plans
  and mechanical drawings.

40
CAM

• Computer Aided Manufacturing. A system that uses
  computer technology in the management and control
  of manufacturing operations.

41
Capacitor

• a device for accumulating and holding a charge of
  electricity, consisting of two equally charged
  conducting surfaces having opposite signs and
  separated by a dielectric.

42
Cartesian Coordinate System

• A coordinate system in which the coordinates of a
  point are its distances from a set of
  perpendicular lines that intersect at an origin,
  such as two lines in a plane or three in space.

43
Central Processing Unit

• An integrated circuit the part of a computer
  that interprets and executes instructions.

44
Chip

• Also called microchip. Electronics. a tiny slice
  of semi-conducting material, generally in the
  shape of a square a few millimeters long, cut
  from a larger wafer of the material, on which a
  transistor or an entire integrated circuit is
  formed.

45
Chroma Keying

• A chroma key is the removal of a color (or small
  color range) from one image to reveal another
  image "behind" it. The removed color becomes
  transparent. This technique is also referred to
  as "color keying", "color-separation overlay"
  "greenscreen" and "bluescreen". It is commonly
  used for weather forecast broadcasts. The
  presenter appears to be standing in front of a
  large map, but in the studio it is actually a
  large blue or green background.

46
Chuck

• a device for centering and clamping work in a
  lathe or other machine tool.

47
Circuit

• Also called electric circuit. the complete path
  of an electric current, including the generating
  apparatus, intervening resistors, or capacitors.

48
Circuit Board

• a sheet of insulating material used for the
  mounting and interconnection (often by a printed
  circuit) of components in electronic equipment.

49
Civil Engineer

• a person who designs public works, as roads,
  bridges, canals, dams, and harbors, or supervises
  their construction or maintenance.

50
Clip
51
CNC

• Computer Numerical Control

52
CO2

• A colorless odorless gas used in Research
  Design to propel the race cars.

53
Color Wheel

• one of a pair of primary or secondary colors
  opposed to the other member of the pair on a
  schematic chart or scale (color wheel), as green
  opposed to red, orange opposed to blue, or violet
  opposed to yellow.

54
Communication

• the imparting or interchange of thoughts,
  opinions, or information by speech, writing, or
  signs.

55
Compass

• an instrument for determining directions, as by
  means of a freely rotating magnetized needle that
  indicates magnetic north.

56
Complimentary Colors

• Complementary colors opposite each other provide
  high color contrast. If you stare at a color then
  look away at a blank wall, you'll see an
  afterimage in the color's complementary color.

57
Compression

• the process or result of becoming smaller or
  pressed together

58
Computer

• Also called processor. an electronic device
  designed to accept data, perform prescribed
  mathematical and logical operations at high
  speed, and display the results of these
  operations.

59
Computer Virus

• A computer program that is designed to replicate
  itself by copying itself into the other programs
  stored in a computer. It may be benign or have a
  negative effect, such as causing a program to
  operate incorrectly or corrupting a computer's
  memory.

60
Concave Lens

• a lens such that a parallel beam of light passing
  through it is caused to diverge or spread out

61
Contrast

• opposition of different forms, lines, or colors
  in a work of art to intensify each element's
  properties and produce a more dynamic
  expressiveness.

62
Contrasting Colors

• Colors of contrasting values stand out from each
  other. On a blue background yellow jumps out at
  the reader.

63
Convex Lens

• If the lens is biconvex or plano-convex, a
  collimated or parallel beam of light traveling
  parallel to the lens axis and passing through the
  lens will be converged (or focused) to a spot on
  the axis

64
Counter Clockwise

• in a direction opposite to that of the normal
  rotation of the hands of a clock not clockwise.

65
Cut

• to stop (a scene or shot being filmed), to edit
  (a film).

66
Cyberspace

• the computer and Internet world and its virtual
  reality, the 'global village' of electronic
  communication also called cyberworld, cyberspace

67
Data

• a collection of facts from which conclusions may
  be drawn

68
Decibel

• a unit used to express the intensity of a sound
  wave

69
Diameter

• a straight line passing through the center of a
  circle or sphere and meeting the circumference or
  surface at each end.

70
Dimension

• measurement in length, width, and thickness.

71
Dissolve

• to disappear gradually fade away. Used in video
  editing.

72
Drafting

• To draw up a preliminary version of or plan for a
  home or building.

73
Drag

• the aerodynamic force exerted on an airfoil,
  airplane, or other aerodynamic body that tends to
  reduce its forward motion.

74
DWV System

• All of the water used in the sinks, toilets, and
  tubs throughout the house must flow down to the
  sewer or septic line in the basement via a
  network of increasingly larger drainpipes. This
  system is called the drainage, waste, and vent
  (DWV) system.

75
Editing

• To assemble the components of (a film or
  soundtrack, for example), as by cutting and
  splicing.

76
Electromagnetic Spectrum

• the entire spectrum, considered as a continuum,
  of all kinds of electric, magnetic, and visible
  radiation, from gamma rays having a wavelength of
  0.001 angstrom to long waves having a wavelength
  of more than 1 million km.

77
Electrostatic Discharge

• The term is usually used in the electronics and
  other industries to describe momentary unwanted
  currents that may cause damage to electronic
  equipment.

78
Elevation

• the altitude of a place above sea level or ground
  level.

79
Elevators

• A movable control surface, usually attached to
  the horizontal stabilizer of an aircraft, that is
  used to produce motion up or down.

80
End Effecter

• an end effector is a device or tool connected to
  the end of a robot arm. The structure of an end
  effector, and the nature of the programming and
  hardware that drives it, depends on the intended
  task.

81
English Units of Measurement

• principal system of weights and measures used in
  a few nations, the only major industrial one
  being the United States. It actually consists of
  two related systemsthe U.S. Customary System of
  units, used in the United States and
  dependencies, and the British Imperial System.

82
ENIAC

• The first electronic digital computer andan
  ancestor of most computers in use today. ENIAC
  was developed by Dr. John Mauchly and J. Presper
  Eckert during World War II at the Moore School of
  the University of Pennsylvania.

83
Enrichments

• Activities completed after students have
  completed their lab work in any particular
  session.

84
Equator

• the great circle of the earth that is equidistant
  from the North Pole and South Pole.

85
Equilibrium

• a state of rest or balance due to the equal
  action of opposing forces.

86
Expansion Card

• Circuit Boards installed in computers that
  provide functions that the pc motherboard doesnt
  provide.

87
F5 key and F8 key

• F5 Key adds captioning to the videos in the
  modules and the F8 key enlarges and decreases the
  video size in the modules.

88
Fastener

• any of various devices, as a screw, for holding
  together two objects or parts sometimes required
  to be separate, as two edges or flaps of a piece
  of clothing.

89
Feed Rate

• The speed of the cutter's movement.

90
Filament

• the threadlike conductor, often of tungsten, in
  the light bulb that is heated to incandescence by
  the passage of current.

91
Finishing Cuts

• Final cuts made when manufacturing a product.
  These cuts are very precise.

92
Formal Balance

• Formal Balance usually is achieved by the graphic
  artist placing objects in the work in a
  symmetrical or equal-sided arrangement.

93
Format

• the organization, plan, style, or type of
  something The format of the show allowed for
  topical and controversial gags.

94
Fractal

• A geometric pattern that is repeated at ever
  smaller scales to produce irregular shapes and
  surfaces that cannot be represented by classical
  geometry. Fractals are used especially in
  computer modeling of irregular patterns and
  structures in nature.

95
Frame

• one of the successive pictures on a strip of
  film.

96
Frame Rate

• The number of frames of an animation which are
  displayed every second, measured in frames per
  second (fps).

97
Frequency

• The number of repetitions per unit time of a
  complete waveform, as of an electric current.

98
Fuselage

• the complete central structure to which the wing,
  tail surfaces, and engines are attached on an
  airplane.

99
G Codes

• A preparation code used in CNC. This is a
  computer language that tells the machine what to
  do in the program. For Instance G00 sets a rapid
  motion for the machine tool and most likely comes
  at the beginning of the program.

100
Global Positioning

• is actually a constellation of 27 Earth-orbiting
  satellites (24 in operation and three extras in
  case one fails). The U.S. military developed and
  implemented this satellite network as a military
  navigation system, but soon opened it up to
  everybody else.

101
Hardware

• Computers. the mechanical, magnetic, electronic,
  and electrical devices comprising a computer
  system, as the CPU, disk drives, keyboard, or
  screen.

102
Harmony

• a harmonious state of things in general and of
  their properties (as of colors and sounds)
  congruity of parts with one another and with the
  whole

103
Heading

• the compass direction toward which a traveler or
  vehicle is or should be moving course.

104
Horizontal Lines

• Parallel to the horizon on a level as, a
  horizontal line or surface.

105
Inert

• Incapable of reacting with other elements to form
  a chemical bond.

106
Informal Balance

• Informal Balance is created when an asymmetrical
  layout is used.

107
Infrared Light

• electromagnetic radiation with wavelengths longer
  than visible light but shorter than radio waves

108
Input Device

• a device that can be used to insert data into a
  computer or other computational device

109
Interactive

• interacting with a human user, often in a
  conversational way, to obtain data or commands
  and to give immediate results or updated
  information

110
Interstate

• a highway serving two or more states.

111
Itinerary

• a detailed plan for a journey, esp. a list of
  places to visit plan of travel.

112
Keyboard

• a set of keys, usually arranged in tiers, for
  operating a typewriter, typesetting machine,
  computer terminal, or the like.

113
Keystone

• the wedge-shaped piece at the summit of an arch,
  regarded as holding the other pieces in place.

114
Kilowatt

• a unit of power, especially electrical and equal
  to 1000 watts.

115
Labor or Slave

• Description used to describe a robot.

116
Laser

• a device that produces a nearly parallel, nearly
  monochromatic, and coherent beam of light by
  exciting atoms to a higher energy level and
  causing them to radiate their energy in phase.

117
Latitude

• the angular distance north or south from the
  equator of a point on the earth's surface,
  measured on the meridian of the point.

118
Lens

• a piece of transparent substance, usually glass,
  having two opposite surfaces either both curved
  or one curved and one plane, used in an optical
  device in changing the convergence of light rays,
  as for magnification, or in correcting defects of
  vision.

119
Lever

• a rigid bar that pivots about one point and that
  is used to move an object at a second point by a
  force applied at a third.

120
Lift

• the component of the aerodynamic force exerted by
  the air on an airfoil, having a direction
  perpendicular to the direction of motion and
  causing an aircraft to stay aloft.

121
Light-Emitting Diode

• An electronic component that lights up when
  electrical flow is ran through the circuit.

122
Limitations

• A restriction or design restrictions.

123
Logo

• a graphic representation or symbol of a company
  name, trademark, abbreviation, etc., often
  uniquely designed for ready recognition.

124
Longitude

• angular distance east or west on the earth's
  surface, measured by the angle contained between
  the meridian of a particular place and some prime
  meridian, as that of Greenwich, England, and
  expressed either in degrees or by some
  corresponding difference in time.

125
Lumen

• The unit of luminous flux in the international
  system equal to the amounts of light given out
  through a solid angle by a source of one candela
  intensity radiating equally in all directions.

126
Mach I

• a number indicating the ratio of the speed of an
  object to the speed of sound in the medium
  through which the object is moving.

127
Mach II

• Traveling at twice the speed of sound.

128
Magnification

• the act of magnifying or the state of being
  magnified.

129
Metric System

• A decimal system of units based on the meter as a
  unit length, the kilogram as a unit mass, and the
  second as a unit time.

130
Microphone

• an instrument capable of transforming sound waves
  into changes in electric currents or voltage,
  used in recording or transmitting sound.

131
Microprocessor

• an integrated computer circuit that performs all
  the functions of a CPU.

132
Mixer

• an electronic device for blending, fading,
  substitution, etc., of sounds from various
  sources, as from microphones or separately
  recorded soundtracks, for broadcast or recording.

133
Module

• Term that refers to the subjects in Technology
  Education.

134
Module Guide

• Pre-Test taken at the beginning of Session 1.

135
Morph

• to transform (an image) by computer.

136
Mouse

• a palm-sized, button-operated device that can be
  slid on wheels or ball bearings over a desktop to
  move the cursor on a CRT to any position, or slid
  over a drawing in order to recreate the drawing
  on a CRT.

137
Navigation

• the art or science of plotting, ascertaining, or
  directing the course of a ship, aircraft, or
  guided missile.

138
Object Lines

• A heavy solid line used on a drawing to represent
  the outline of an object.

139
Ohm

• the SI unit of electrical resistance, defined to
  be the electrical resistance between two points
  of a conductor when a constant potential
  difference applied between these points produces
  in this conductor a current of one ampere.

140
Operating System

• the collection of software that directs a
  computer's operations, controlling and scheduling
  the execution of other programs, and managing
  storage, input/output, and communication
  resources.

141
Optical Disk

• a groove-less disk on which digital data, as
  text, music, or pictures, is stored as tiny pits
  in the surface and is read or replayed by a laser
  beam scanning the surface.

142
Orientation

• Introduction to the technology education class.
  When students learn how to be successful in the
  class and what the expectations are for the class.

143
Orthographic Projection

• a two-dimensional graphic representation of an
  object in which the projecting lines are at right
  angles to the plane of the projection.

144
Parallel Lines

• Lines extending in the same direction,
  equidistant at all points, and never converging
  or diverging

145
Pattern

• anything fashioned or designed to serve as a
  model or guide for something to be made ie. CO2
  Race Car or Truss.

146
Perpendicular Lines

• Lines meeting a given line or surface at right
  angles.

147
Personal Step

• Used in technology education to encourage
  positive student behavior.

148
Photon

• The quantum of electromagnetic energy, regarded
  as a discrete particle having zero mass, no
  electric charge, and an indefinitely long
  lifetime.

149
PIN

• Personal Identification Number used by students
  in Technology Education class to log onto the
  computer. Consists of two capital letters
  followed by four numbers.

150
Pixel

• the smallest element of an image that can be
  individually processed in a video display system.

151
Plumbing

• the system of pipes and other apparatus for
  conveying water, liquid wastes, etc., as in a
  building.

152
Post Test

• The Test completed at the beginning of Session
  7 and worth 100 points.

153
Post-production

• A final stage in the production of a film or a
  television program, occurring after the action
  has been filmed or videotaped and typically
  involving editing and the addition of
  soundtracks.

154
Pre-fabricate

• To manufacture (a building or section of a
  building, for example) in advance, especially in
  standard sections that can be easily shipped and
  assembled.

155
Pre-production

• Taking place or existing prior to production

156
Primary Processes

• The first step in transforming raw materials into
  products. Example Converting trees into
  lumber at the saw mill.

157
Prime Meridian

• the meridian running through Greenwich, England,
  from which longitude east and west is reckoned.

158
Production

• A work produced for the stage, screen,
  television, or radio

159
Programming (Robots)

• the precise sequence of instructions enabling a
  computer to move a robot.

160
Proportion

• comparative relation between things or magnitudes
  as to size, quantity, number, etc. ratio.

161
Prototype

• the original or model on which something is based
  or formed.

162
Radio

• an apparatus for receiving or transmitting radio
  broadcasts.

163
Radio Wave

• an electromagnetic wave having a wavelength
  between 1 millimeter and 30,000 meters, or a
  frequency between 10 kilohertz and 300,000
  megahertz.

164
Radius

• a straight line extending from the center of a
  circle or sphere to the circumference or surface

165
RAM

• Random access memory (RAM) is the best known form
  of computer memory. RAM is considered "random
  access" because you can access any memory cell
  directly if you know the row and column that
  intersect at that cell.

166
Rapid Traverse

• CNC Lathe
• The fast movement of the X and Z axis when the
  tool is not touching the stock.
• CNC Mill
• The fast movement of the X, Y, and Z when the
  tool is not touching the stock or billet.

167
Receiver

• a device or apparatus that receives electrical
  signals, waves, or the like, and renders them
  perceptible to the senses, as the part of a
  telephone held to the ear, a radio receiving set,
  or a television receiving set.

168
Reflection

• the return of light, heat, sound, etc., after
  striking a surface.

169
Refraction

• the change of direction of a ray of light, sound,
  heat, or the like, in passing obliquely from one
  medium into another in which its wave velocity is
  different.

170
Remote Control

• Also called remote. a device used to control the
  operation of an apparatus or machine, as a
  television set, from a distance.

171
Repetitive

• pertaining to or characterized by repetition.

172
Resistance

• a property of a conductor by virtue of which the
  passage of current is opposed, causing electric
  energy to be transformed into heat equal to the
  voltage across the conductor divided by the
  current flowing in the conductor usually
  measured in ohms.

173
Resistor

• An electrical component designed to introduce
  resistance into an electric circuit.

174
Resolution

• the degree of sharpness of a computer-generated
  image as measured by the number of dots per
  linear inch in a hard-copy printout or the number
  of pixels across and down on a display screen.

175
Rhythm

• Used to direct the eye, to streamline eye
  movement or to attract attention.

176
Robot

• any machine or mechanical device that operates
  automatically with humanlike skill.

177
ROM

• Read-only memory (ROM), also known as firmware,
  is an integrated circuit programmed with specific
  data when it is manufactured. ROM chips are used
  not only in computers, but in most other
  electronic items as well.

178
Rotation

• Lab schedule in Technology Education where
  students rotate during a nine week period of time.

179
Roughing Cuts

• The first cuts made when shaping a material.
  These cuts are not very precise. The intent is to
  remove material at a quick rate.

180
Route

• a course, way, or road for passage or travel

181
Rudder

• a movable control surface attached to a vertical
  stabilizer, located at the rear of an airplane
  and used, along with the ailerons, to turn the
  airplane.

182
Schematic

• a diagram, plan, or drawing

183
Secondary Processes

• The steps used in the manufacturing process in
  which industrial materials are converted to
  useful products. Example Using lumber to make
  a baseball bat.

184
Session

• Lasts about one class period of 45 minutes.
  There are seven sessions in one rotation.

185
Sketch

• a rough design, plan, or draft

186
SMPTE Time Code

• SMPTE timecodes contains binary coded decimal
  hourminutesecondframe identification

187
Soil Stack

• a vertical soil pipe used to vent the waste
  plumbing of the house.

188
Solder

• Any of various fusible alloys, usually tin and
  lead, used to join metallic parts.

189
Span

• the distance or space between two supports of a
  bridge.

190
Specifications

• a detailed description or assessment of
  requirements, dimensions, materials, etc., as of
  a proposed building, machine, bridge, etc.

191
Spindle

• either of two shafts or arbors that support the
  work on a lathe, one (live spindle) on the
  headstock, rotating with and imparting motion to
  the work, the other (dead spindle) on the
  tailstock, motionless

192
Spindle Speed

• The spindle speed is the revolutions per minute
  (RPM) of the spindle of a machine and is
  calculated using the recommended cutting speed of
  the material being worked on.

193
Stop-motion Animation

• a special effect, carried out while shooting, in
  which the performers stop their motion and the
  camera is stopped while an object or performer is
  added to or removed from the scene, with camera
  movement and action then resumed for the
  remainder of the scene used to create an
  illusion of sudden appearance or disappearance of
  persons or objects.

194
Storyboard

• a panel or panels on which a sequence of sketches
  depict the significant changes of action and
  scene in a planned film, as for a movie,
  television show, or advertisement.

195
Streamline

• a teardrop line of contour offering the least
  possible resistance to a current of air, water,
  etc.

196
Student Portfolio

• Organizational folder used in Technology
  Education class to help the student track
  participation points and keep up with assignments.

197
Student Tip

• Button on the computer screen in the modules
  placed their to provide hints to students.

198
Substructure

• the foundations, piers, and abutments upon which
  the trusses or girders of the spans of a bridge
  rest.

199
Superstructure

• the part of a bridge that rests on the piers and
  abutments.

200
Suspension Structure

• a bridge having a deck suspended from cables
  anchored at their extremities and usually raised
  on towers.

201
Symmetrical

• characterized by or exhibiting symmetry
  well-proportioned, as a body or whole regular in
  form or arrangement of corresponding parts.

202
Synthesizer

• any of various electronic, sometimes portable
  consoles or modules, usually computerized, for
  creating, modifying, and combining tones or
  reproducing the sounds of musical instruments by
  controlling voltage patterns, operated by means
  of keyboards, joysticks, sliders, or knobs.

203
Teach Pendant

• A hand-held robot control terminal that provides
  a convenient means to move the robot, teach
  locations, and run robot programs.

204
Tension

• the act of stretching or straining.

205
Test Review

• Activity game completed at the beginning of
  Session 6. Students may choose between Critter
  Cross and Bloop.

206
Three Dimensional

• having, or seeming to have, the dimension of
  depth as well as width and height.

207
Thrust

• a linear reactive force exerted by a propeller,
  propulsive gases, etc., to propel a ship,
  aircraft, etc.

208
Thumbnail Drawing

• to make a small sketch or description of
  something.

209
Tolerance

• the permissible range of variation in a dimension
  of an object.

210
Tool Path

• Path that the machine follows to manufacture a
  particular part.

211
Transition

• a passage from one scene to another by sound
  effects, music, etc., as in a television program,
  theatrical production, or the like.

212
Transmitter

• a device for sending electromagnetic waves the
  part of a broadcasting apparatus that generates
  and modulates the radiofrequency current and
  conveys it to the antenna.

213
Transportation

• The act or an instance of transporting.

214
Trilateration

• Using of three satellites in a global positioning
  system to locate a thing specifically.

215
Truss

• any of various structural frames based on the
  geometric rigidity of the triangle and composed
  of straight members subject only to longitudinal
  compression, tension, or both functions as a
  beam or cantilever to support bridges, roofs, etc

216
Ultraviolet Light

• radiation lying in the ultraviolet range wave
  lengths shorter than light but longer than X rays

217
Unity

• the state or fact of being united or combined
  into one, as of the parts of a whole
  unification.

218
USB Port

• the connection to a Universal Serial Bus, an
  external interface for communication between a
  computer and peripheral used to daisy chain
  computers

219
Vertical Lines

• Perpendicular to the plane of the horizon
  upright plumb as, a vertical line.

220
Virtual Reality

• a realistic simulation of an environment,
  including three-dimensional graphics, by a
  computer system using interactive software and
  hardware.

221
Virus

• a segment of self-replicating code planted
  illegally in a computer program, often to damage
  or shut down a system or network.

222
Visible Light

• electromagnetic radiation that can produce a
  visual sensation "the light was filtered through
  a soft glass window"

223
Voltage

• electromotive force or potential difference
  expressed in volts.

224
Wattage

• the amount of power required to operate an
  electrical appliance or device. Expressed in
  kilowatts and watts.

225
Wavelength

• the distance, measured in the direction of
  propagation of a wave, between two successive
  points in the wave that are characterized by the
  same phase of oscillation.

226
Wheel and Axle

• a simple machine consisting, in its typical form,
  of a cylindrical drum to which a wheel concentric
  with the drum is firmly fastened ropes are so
  applied that as one unwinds from the wheel,
  another rope is wound on to the drum.

227
Work Envelope

• Area that a robot can extend to complete given
  tasks.

228
Workstation

• Where students in Technology Education complete
  lab activities.

229
Wrought Iron

• a form of iron, almost entirely free of carbon
  and having a fibrous structure including a
  uniformly distributed slag content, that is
  readily forged and welded.