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INTEGRATION OF STEM. Introduction to Engineering What Do Engineers Do?
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Transcript of INTEGRATION OF STEM. Introduction to Engineering What Do Engineers Do?
![Page 1: INTEGRATION OF STEM. Introduction to Engineering What Do Engineers Do?](https://reader036.fdocuments.in/reader036/viewer/2022062321/56649f1b5503460f94c30289/html5/thumbnails/1.jpg)
INTEGRATION OF STEM
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Introduction to EngineeringWhat Do Engineers Do?
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What is Science?What is Technology?What is Engineering?What is Mathematics?
What is STEM?
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ScientistsInvestigate our natural world
TechnologistsApply science and
math to designs
MathematiciansUse numbers and symbols
to solve problems
EngineersCreate our
designed world
STEMWorking togetherto solve problemsbased on societalneeds and wants
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How are they all needed to
Create a Product?Example Science Technology Engineering Math
Pencil Discovery of graphite and the fact that rubber (eraser) will remove graphite
Creating a writing device that doesn’t use ink
Designing a device with graphite insert, exterior holder, and attached eraser
What is the optimal length, diameter, or shape for the device?
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What are our human needs?
Problems That Solve Our Needs and Wants
PHYSICAL NEEDS:
• Basic shelter
• Basic clothing
• Can you think of more?
BIOLOGICAL NEEDS:
• Water
• Food
• Can you think of more?
PSYCHOLOGICAL NEEDS:
• Family
• Friends
• Can you think of more?
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What are our human wants?
PHYSICAL WANTS:
• Nice house
• Nice car
• Nice clothes
• Can you think of more?
BIOLOGICAL WANTS:
• Fresh water
• Fancy food
• Healthy living
• Can you think of more?
PSYCHOLOGICAL WANTS:
• Talk with family
• See friends
• Entertainment
• Can you think of more?
Problems That Solve Our
Needs and Wants
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Engineering
Engineering uses scientific, technological, and mathematical knowledge to solve practical problems.
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Engineers Can Do Anything
• Invent – Develop a new product, system, or process that has never existed before
• Innovate – Improve an existing technological product, system, or method
Create
Build
Conceive
Design
Evaluate
AnalyzeOrchestrate
Invent
Improve
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• An electrical engineer may design a GPS for your vehicle.
• A pharmaceutical/chemical engineer may find a cure for disease.
• A computer engineer may build a computer the size of your watch.
• A mechanical engineer may create a robot to discover water on a planet.
• An agricultural engineer may evaluate the effects of global warming on food production.
Engineers Work to Solve Many Kinds of Problems
Engineers make our lives better
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Discussion Questions
• What product or system would make your life better?
• Is this an invention or an innovation?
• What type(s) of engineer(s) might work on this project?
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What is Technology?
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What is Technology?Technology is comprised of the products and processes created by engineers to meet our needs and wants.
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Technology vs. ScienceTechnology
– Study of our human-made world
– Deals with “what can be”
Science– Study of our natural world– Deals with “what is”
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How Does Technology Address Human Needs and Wants?
Transportation
Technology
Medical
Manufacturing
&
Construction
Bio-Related andAgriculture
Nanotechnology
Information Communication
Energy and Power
Environmental
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Information Technology
Information Technology allows us to send signals around the world.Examples:
Television, Internet, satellite, GPS, cell phones
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Impacts of Information TechnologyPOSITIVE IMPACTS NEGATIVE IMPACTS
INTERNET –Information is stored for easy access
INTERNET – Harder to distinguish between reliable and unreliable sources
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Communication Technology
Communication Technology is giving or exchanging information. Examples:
Magazines, DVDs, photography, video games
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Impacts of Communication TechnologyPOSITIVE IMPACTS NEGATIVE IMPACTS
DIGITAL CAMERAS Allow you to edit and print only the pictures you like
COMPUTERS, PRINTERS, & DIGITAL CAMERAS Make forgery and plagiarism easier
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Bio-related and Agricultural Technology
Biotechnology transforms living things into products or new forms of life. Examples:
Genetic engineering, bionicsAgricultural Technology produces plants and animals for
food, fiber, and fuel.Examples:
Irrigation, food preservation, weed and insect control
Both deal with living things:Plants, animals, and people
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Impacts of Bio-Related TechnologyPOSITIVE IMPACTS NEGATIVE IMPACTS
HEALTH – Improves quality of life, vitamins, vaccines, medications
HEALTH – Side effects of some medications – nausea, shortness of breath, etc.
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Impacts of Agricultural Technology
POSITIVE IMPACTS NEGATIVE IMPACTS
FERTILIZERS– can make plants produce more food per acre
FERTILIZERS– have found their way into ground water, polluting good drinking water
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Medical Technology
Medical Technology creates tools to treat disease and injury.Examples:
Lasers, prostheses, ultrasound, medications
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Impacts of Medical TechnologyPOSITIVE IMPACTS NEGATIVE IMPACTS
X-RAYS – Make it easier to diagnose injuries
X-RAYS – Too many x-rays can cause cancer.
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Environmental TechnologyEnvironmental Technology creates
tools to minimize the effect of technology on the development of living things.Examples: Hybrid vehicles, conservation, waste management (recycling)
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Impacts of Environmental Technology
POSITIVE IMPACTS NEGATIVE IMPACTS
RECYCLING – Improves water and air quality
RECYCLING – Disposal of garbage is more complicated and time consuming
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Production TechnologyProduction Technology is the manufacturing of physical
goods on an assembly line and the construction of structures on a job site.
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Manufacturing changes natural or synthetic materials into usable products.Examples: Clothing, vehicles, food
Construction Technology builds structures that support loads and protect us from the environment.Examples: House, bridge, roads
Production Technology
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Impacts of Production TechnologyPOSITIVE IMPACTS NEGATIVE IMPACTS
MANUFACTURING – MANUFACTURING –
CONSTRUCTION – CONSTRUCTION –
New products help to make our life easier and increase leisure time
Many industries use materials that can harm the environment
Provides shelter, improves roads, creates employment opportunities
Noise and debris, traffic problems, accidents and injuries
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The development of materials with outstanding combinations of mechanical, chemical, and electrical properties that make other advances possible.Examples: Mosquito repellent clothing, artificial skin grafts for burn victims, advanced building materials such as composite decking
Materials Technology
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Impacts of Materials Technology
POSITIVE IMPACTS NEGATIVE IMPACTS
NEW MATERIALS – able to reuse recycled materials to help the environment
NEW MATERIALS – don’t know how the materials will behave over long periods of time.
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Transportation Technology
Transportation Technology Provides a way for people, animals, products, and materials to be moved from one place to the next.Examples:Flight – Airplane, rocket, space shuttleLand – Train, subway, automobile, bicycleWater – Commercial, cruise shipsNon-vehicle – Conveyor belts, pipelines
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Impacts of Transportation Technology
POSITIVE IMPACTS NEGATIVE IMPACTS
Traveling long distances faster Accidents
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Energy and Power TechnologyEnergy is the ability or capacity to do work.
Examples:Chemical Energy Gasoline
Mechanical Energy MotionThermal Energy Steam
Electrical Energy ElectricityRadiant Energy Light
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Energy and Power TechnologyPower is the rate at which energy is
transformed from one form to another.Examples:
Electrical power – provides light and operates motorsMechanical power – moves automobiles, trains, and
airplanesFluid power – uses fluids to produce motionHydraulic – uses a liquidPneumatic – uses a gas
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Impacts of Energy and Power Technology
POSITIVE IMPACTS NEGATIVE IMPACTS
Without energy and power, most technologies would not exist or work
Overuse of nonrenewable resources
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Nanotechnology
Nanotechnology is manipulating materials on an atomic or molecular level.
Examples:Sensors, Nanobot, molecular manufacturing
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Impacts of Nanotechnology
POSITIVE IMPACTS NEGATIVE IMPACTS
IMPLANTED SENSORS IMPLANTED SENSORS
Continuously sense and adjust medical treatment
Impede privacy
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Image Resources
Microsoft, Inc. (2008). Clip Art. Retrieved September 10, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx
National Aeronautics and Space Administration (NASA). (n.d.). Genesis: Search for origins. Retrieved September 10, 2008, from http://genesismission.jpl.nasa.gov/educate/scimodule/cosmic/ptable.html
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Image Resources
Microsoft, Inc. (2008). Clip Art. Retrieved September 10, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx