technology education

Created by Daryn Morris

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Technology Education

Technical Vocabulary



Modules

Audio BroadcastingCADDCG&ACNC LatheCNC MillComputer TechnologyDigital DesignDig. Transportation

Digital VideoElectronicsEngineering BridgesFlight Technology Light & LasersPractical SkillsResearch & DesignRobotsOrientation



Audio Broadcasting

Amplitude AntennaAudioCommunicationDataDecibelFormatMicrophone

MixerRadioRadio WaveReceiverSynthesizerTransmitter



CADD

DiameterHorizontal LinesOrthographic ProjectionVertical LinesAngleDimension

Parallel LinesCADDDraftingObject LinesPerpendicular LinesRadius



CG&A

AnimationBugChipCyberspaceFractalHardwareInteractiveMicroprocessor

MorphOptical DiskPixelResolutionStop-motion AnimationVirtual RealityVirus



CNC Lathe

CNCCartesian Coordinate System“G” CodesFinishing CutsTool PathChuckRapid TraverseFeed Rate

SpindleRoughing CutsCounter ClockwiseToleranceAutomationCAMAxis



CNC Mill

CNCCartesian Coordinate SystemPrimary ProcessesSecondary ProcessesThree DimensionalBilletRapid TraverseFeed Rate

Spindle SpeedSpindleSpecificationsToleranceAutomationPrototypeAxis



Computer Technology

ComputerENIACCentral Processing UnitInput DeviceElectrostatic DischargeKeyboardMouseOperating System

RAMROMUSB PortExpansion CardComputer VirusMicroprocessor



Digital Design

LogoBalanceProportionSymmetricalAsymmetricalFormal BalanceInformal BalanceRhythm

Complimentary ColorsAxisColor WheelContrasting ColorsHarmonyContrastUnity



Digital Transportation

NavigationPrime MeridianEquatorBinaryTrilaterationTransportationItineraryGlobal Positioning

LongitudeLatitudeElevationInterstateRouteCompass



Digital Video

AnimationChroma KeyingClipCutDissolveEditingFrameFrame Rate

Post-productionPre-productionProductionSMPTE Time CodeStoryboardTransition



Electronics

CapacitorCircuitCircuit BoardLight-Emitting DiodeOhm

ResistanceResistorSchematicSolderVoltage



Engineering Bridges

AbutmentArchCivil EngineerCompressionKeystoneSpan

SubstructureSuperstructureSuspension StructureTensionTruss



Flight Technology

AileronAltitudeBearingDragElevatorsEquilibriumFuselageHeading

LatitudeLiftLongitudeRudderThrustMach IMach II



Light & Lasers

Visible LightElectromagnetic SpectrumLaserRefractionReflectionMagnificationPhotonLens

Infrared LightUltraviolet LightWavelengthFrequencyConvex LensConcave Lens



Practical Skills

WattageWrought IronInertFastenerSoil StackWheel and AxlePlumbingLever

Metric SystemFilamentToleranceDWV SystemEnglish Units of MeasurementPre-fabricateKilowatt



Research & Design

AerodynamicsCO2DragLimitationsPattern

PrototypeSketchStreamlineThumbnailTolerance



Robots

AutomationAxisCartesian Coordinate SystemEnd EffecterProgramming (Robots)

Remote ControlRepetitiveTeach PendantWork EnvelopeLabor or SlaveRobot



Orientation

SessionModule GuidePost TestEnrichmentsTest ReviewRotationModulePIN

WorkstationPersonal StepStudent PortfolioAgentStudent TipOrientationF5 key and F8 key



Abutment

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



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.



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.



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.



Altitude

the height of anything above a given planetary reference plane, esp. above sea level on earth.



Automation

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



Amplitude

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



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.



Animation

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



Antenna

an electrical device that sends or receives radio or television signals



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.



Asymmetrical

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



Audio

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



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.



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.



Bearing

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



Billet

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



Binary

consisting of, indicating, or involving two.



Bug

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



CADD

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



CAM

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



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.



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.



Central Processing Unit

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



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.



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.



Chuck

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



Circuit

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



Circuit Board

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



Civil Engineer

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



Clip



CNC

Computer Numerical Control



CO2

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



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.



Communication

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



Compass

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



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.



Compression

the process or result of becoming smaller or pressed together



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.



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.



Concave Lens

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



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.



Contrasting Colors

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



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



Counter Clockwise

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



Cut

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



Cyberspace

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



Data

a collection of facts from which conclusions may be drawn



Decibel

a unit used to express the intensity of a sound wave



Diameter

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



Dimension

measurement in length, width, and thickness.



Dissolve

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



Drafting

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



Drag

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



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.



Editing

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



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.



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.



Elevation

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



Elevators

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



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.



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 systems—the U.S. Customary System of units, used in the United States and dependencies, and the British Imperial System.



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.



Enrichments

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



Equator

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



Equilibrium

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



Expansion Card

Circuit Boards installed in computers that provide functions that the pc motherboard doesn’t provide.



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.



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.



Feed Rate

The speed of the cutter's movement.



Filament

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



Finishing Cuts

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



Formal Balance

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



Format

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



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.



Frame

one of the successive pictures on a strip of film.



Frame Rate

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



Frequency

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



Fuselage

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



“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.



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.



Hardware

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



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



Heading

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



Horizontal Lines

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



Inert

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



Informal Balance

Informal Balance is created when an asymmetrical layout is used.



Infrared Light

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



Input Device

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



Interactive

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



Interstate

a highway serving two or more states.



Itinerary

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



Keyboard

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



Keystone

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



Kilowatt

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



Labor or Slave

Description used to describe a robot.



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.



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.



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.



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.



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.



Light-Emitting Diode

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



Limitations

A restriction or design restrictions.



Logo

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



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.



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.



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.



Mach II

Traveling at twice the speed of sound.



Magnification

the act of magnifying or the state of being magnified.



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.



Microphone

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



Microprocessor

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



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.



Module

Term that refers to the subjects in Technology Education.



Module Guide

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



Morph

to transform (an image) by computer.



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.



Navigation

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



Object Lines

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



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.



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.



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.



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.



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.



Parallel Lines

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



Pattern

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



Perpendicular Lines

Lines meeting a given line or surface at right angles.



Personal Step

Used in technology education to encourage positive student behavior.



Photon

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



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.



Pixel

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



Plumbing

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



Post Test

“The Test” completed at the beginning of Session #7 and worth 100 points.



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.



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.



Pre-production

Taking place or existing prior to production



Primary Processes

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



Prime Meridian

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



Production

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



Programming (Robots)

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



Proportion

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



Prototype

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



Radio

an apparatus for receiving or transmitting radio broadcasts.



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.



Radius

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



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.



Rapid Traverse

CNC LatheThe fast movement of the X and Z

axis when the tool is not touching the stock.

CNC MillThe fast movement of the X, Y,

and Z when the tool is not touching the stock or billet.



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.



Reflection

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



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.



Remote Control

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



Repetitive

pertaining to or characterized by repetition.



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.



Resistor

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



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.



Rhythm

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



Robot

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



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.



Rotation

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



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.



Route

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



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.



Schematic

a diagram, plan, or drawing



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.



Session

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



Sketch

a rough design, plan, or draft



SMPTE Time Code

SMPTE timecodes contains binary coded decimal hour:minute:second:frame identification



Soil Stack

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



Solder

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



Span

the distance or space between two supports of a bridge.



Specifications

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



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



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.



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.



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.



Streamline

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



Student Portfolio

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



Student Tip

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



Substructure

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



Superstructure

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



Suspension Structure

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



Symmetrical

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



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.



Teach Pendant

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



Tension

the act of stretching or straining.



Test Review

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



Three Dimensional

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



Thrust

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



Thumbnail Drawing

to make a small sketch or description of something.



Tolerance

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



Tool Path

Path that the machine follows to manufacture a particular part.



Transition

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



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.



Transportation

The act or an instance of transporting.



Trilateration

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



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



Ultraviolet Light

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



Unity

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



USB Port

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



Vertical Lines

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



Virtual Reality

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



Virus

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



Visible Light

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



Voltage

electromotive force or potential difference expressed in volts.



Wattage

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



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.



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.



Work Envelope

Area that a robot can extend to complete given tasks.



Workstation

Where students in Technology Education complete lab activities.



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.

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