What is Technology?

The process by which humans The process by which humans modify nature to meet their needs modify nature to meet their needs

and wants.and wants.

How does Technology differ from Science? TechnologyTechnology

Study of our Study of our human-made human-made worldworld

Deals with “what Deals with “what can be”can be”

ScienceScience Study of our Study of our natural natural

worldworld Deals with “what Deals with “what

is”is”

How does Technology differ from Science? TechnologyTechnology

Made up of Made up of subtopics, such subtopics, such asasTransportationTransportationCommunicatioCommunicatio

nnProductionProductionEnergyEnergyConstructionConstruction

ScienceScience Made up of Made up of

subtopics, such subtopics, such as as BiologyBiologyChemistryChemistryPhysicsPhysicsEarth ScienceEarth ScienceSpace ScienceSpace Science

Technology develops products to satisfy our needs and wants. What are our needs? What are our wants?

PHYSICAL PHYSICAL NEEDS:NEEDS:

BIOLOGICAL BIOLOGICAL NEEDS:NEEDS:

PSYCHOLOGICAL PSYCHOLOGICAL NEEDS:NEEDS:

SHELTERSHELTER

CLOTHINGCLOTHING

FOODFOOD

WATERWATER

FAMILYFAMILY

FRIENDSFRIENDS

How does technology meet our needs? There are sub-categories of Technology.

Information and Communication

Bio-Related andAgricultural

Manufacturing

Construction

Transportation

Technology

Production

Energy and Power

Medical

Environmental

Communication Technology

A process of giving or exchanging A process of giving or exchanging information. It has:information. It has: Streamlined publishing techniques Streamlined publishing techniques

and allows us to produce more and allows us to produce more accurate drawings.accurate drawings.

Expanded entertainment choices.Expanded entertainment choices. Enabled us to contact people Enabled us to contact people

thousands of miles away.thousands of miles away.

Communication Technology Examples

Cell PhonesCell Phones Computer Aided DraftingComputer Aided Drafting Video Cassette Video Cassette

RecordingsRecordings InternetInternet RadioRadio TelevisionTelevision Graphic ArtsGraphic Arts

Impacts of Communication TechnologyPOSITIVE POSITIVE IMPACTSIMPACTS

NEGATIVE NEGATIVE IMPACTSIMPACTS

CAD – using a CAD – using a computer to computer to generate generate drawingsdrawings

INTERNET – a INTERNET – a means of means of communicating communicating quickly and quickly and inexpensively inexpensively over long over long distancesdistances

PAPER USAGE – PAPER USAGE – people tend to people tend to create and print create and print more documents more documents INTERNET – INTERNET – people tend to people tend to misuse the misuse the internet for internet for personal gainpersonal gain

Bio-related and Agricultural Technology Biotechnology applies the Biotechnology applies the

principles of biology to create principles of biology to create commercial products or commercial products or processes.processes.

Agricultural technology makes Agricultural technology makes it possible for food to be it possible for food to be available year-round and to available year-round and to conserve resources.conserve resources.

Deals with living things Deals with living things PlantsPlants AnimalsAnimals PeoplePeople

Bio-Related and Agricultural Technology examples MedicalMedical

VaccineVaccine PharmaceuticalsPharmaceuticals Artificial limbsArtificial limbs Ergonomics – the study Ergonomics – the study

of designing equipment of designing equipment to fit the human body, its to fit the human body, its movement & thinking movement & thinking patternspatterns

Artificial EcosystemsArtificial Ecosystems SanitationSanitation Artificial intelligenceArtificial intelligence RoboticsRobotics

Agriculture Agriculture Food, Fiber, and FuelFood, Fiber, and Fuel Plant growthPlant growth Genetic engineeringGenetic engineering Hydroponics – growing Hydroponics – growing

plants in a soil-less plants in a soil-less environmentenvironment

EnvironmentalEnvironmental ConservationConservation Synthetic energySynthetic energy Waste managementWaste management

Impacts of Bio-Related and Agricultural TechnologyPOSITIVE IMPACTSPOSITIVE IMPACTS NEGATIVE IMPACTSNEGATIVE IMPACTS

HEALTH – improves HEALTH – improves quality of life.quality of life.

HEALTH – Drugs may HEALTH – Drugs may cause birth defects.cause birth defects.

ENVIRONMENTAL – ENVIRONMENTAL – can produce more food can produce more food per acre than before.per acre than before.

ENVIRONMENTAL – ENVIRONMENTAL – Chemicals have found Chemicals have found their way into ground their way into ground water, polluting good water, polluting good drinking water.drinking water.

Production Technology

ManufacturingManufacturing Changes materials into usable productsChanges materials into usable products

Natural (found in nature) orNatural (found in nature) orSynthetic (human-made)Synthetic (human-made)

Most takes place in factoriesMost takes place in factories Results in items that are either consumer Results in items that are either consumer

products (used up) or industrial products products (used up) or industrial products (used to make other products)(used to make other products)

Manufacturing examples ClothingClothing TVTV AutomobilesAutomobiles Chemical productsChemical products LumberLumber SteelSteel FoodFood

Production Technology

ConstructionConstruction Building a structure – made by Building a structure – made by

joining parts to meet a certain need.joining parts to meet a certain need. Involves building a foundation, Involves building a foundation,

erecting the super structure, and erecting the super structure, and finishing work.finishing work.

Supporting the load – external force Supporting the load – external force on an object.on an object.

Controlling the quality of Controlling the quality of construction using control systems.construction using control systems.

Examples of Construction Technology

Human-made Human-made structure:structure: HousesHouses High-rise buildingsHigh-rise buildings BridgesBridges RoadsRoads DamsDams SchoolsSchools

Impacts of Production Technology

POSITIVE IMPACTSPOSITIVE IMPACTS NEGATIVE IMPACTSNEGATIVE IMPACTS

MANUFACTURING – MANUFACTURING – new products help to new products help to make our life easier and make our life easier and increase leisure time.increase leisure time.

MANUFACTURING – MANUFACTURING – many industries use many industries use materials that can harm materials that can harm the environment.the environment.

CONSTRUCTION – CONSTRUCTION – provides shelter, provides shelter, improves roads, creates improves roads, creates employment employment opportunities.opportunities.

CONSTRUCTION – CONSTRUCTION – noise and debris, traffic noise and debris, traffic problems, accidents & problems, accidents & injuriesinjuries

Transportation Technology

The process by which The process by which people, animals, products, people, animals, products, and materials are moved and materials are moved from one place to the next.from one place to the next. FlightFlight Land TransportationLand Transportation Water TransportationWater Transportation Goods TransportationGoods Transportation

Examples of Transportation Technology AirAir

AirplaneAirplane RocketRocket Space ShuttleSpace Shuttle HelicopterHelicopter

WaterWater Commercial shipsCommercial ships Cruise ShipsCruise Ships Utility vesselsUtility vessels

LandLand TrainTrain SubwaySubway AutomobileAutomobile BicycleBicycle

GoodsGoods Conveyor BeltsConveyor Belts RobotsRobots TrucksTrucks

Impacts of Transportation TechnologyPOSITIVE IMPACTSPOSITIVE IMPACTS NEGATIVE IMPACTSNEGATIVE IMPACTS

Commuting is easier;Commuting is easier;

Traveling long Traveling long distances fasterdistances faster

PollutionPollution

AccidentsAccidents

Use of energyUse of energy

Energy and Power Technology Energy is the ability to do work.Energy is the ability to do work. Power is the rate at which energy is Power is the rate at which energy is

transformed from one form to another or transformed from one form to another or as the rate at which work can be done.as the rate at which work can be done.

Technological products and systems Technological products and systems need energy to function.need energy to function.

The availability of energy often The availability of energy often determines the development of determines the development of technology.technology.

Examples of Energy and Power Technology Chemical EnergyChemical Energy

GasolineGasoline Mechanical EnergyMechanical Energy

MotionMotion Thermal EnergyThermal Energy

SteamSteamPower Measurement Power Measurement

Examples:Examples: HorsepowerHorsepower KilowattKilowatt

Electrical EnergyElectrical Energy ElectricityElectricity

Radiant EnergyRadiant Energy LightLight

Power System Examples:Power System Examples: TurbinesTurbines Portable generatorsPortable generators

Impacts of Energy and Power TechnologyPOSITIVE IMPACTSPOSITIVE IMPACTS NEGATIVE IMPACTSNEGATIVE IMPACTS

Without energy and Without energy and power, most power, most technologies would not technologies would not exist or work.exist or work.

The overuse of natural The overuse of natural resources is a concern resources is a concern of many people.of many people.