Concepts of Engineering and Technology What is Engineering?, What is Science?, What is Technology?...

Concepts of Engineering and Technology

What is Engineering?, What is Science?, What is Technology?

Introduction to EngineeringPhoto Courtesy of Gary Payne/Denton Record-Chronicle Photo Courtesy of Steve Van Meter, VideoRay

Warm-Up Activity

Directions: Please respond to the questions below in your notes.

• In your own words, “What is Engineering?”• In your own words, “What is Science?”• In your own words, “What is Technology?”

Objectives

• WW know what engineering is.• WW know the difference between an engineer

and scientist.• WW will be able to define technology and give

examples of technology advancement.

Questions to ponder:• What is the difference between science and technology?• What are the greatest engineering accomplishments of

the 20th century?• How do newer engineering accomplishments compare to

those throughout history?• How does technology impact the world?• What is the difference between innovation and

invention?

Engineering is…• “The profession in which knowledge of the

mathematical and natural sciences, gained by study, experience, and practice, is applied with judgment to develop ways to use, economically, the materials and forces of nature for the benefit of mankind.”

Engineers build things to make people’s lives better

Engineer• A person who designs products, structures, or systems

to improve peoples lives• Mathematics is the language of science, engineering,

and technology. • Engineers use math to describe objects in great detail,

and mathematical models can test designs without actually building them.

• Engineers use scientific principles to guide their design.

• Engineers work in teams, and planning and design is a large part of their work.

• Engineering is a form of problem solving.• Engineers work in teams because different people

have different skills and can look at problems in different ways.

• An engineer must look at problem criteria and solution constraints.

• Engineering involves design and construction.• Engineering is iterative.

What Engineers Do

Design products, machines, or processes to perform a purpose safely and economically

Analyze existing products for safety or improvement

Repair products or systems

Solve important problems for society without causing harm

Characteristics of Engineers…

Thorough – understand the background Math and Science for what they are designing

Creative

Enjoy solving problems

Understand the importance of cost of design and manufacture

Highly ethical and concerned about safety of designs

Work well in teams

Excellent communicator

Science

• Involves knowledge about the natural world• Often involves knowledge for its own sake • Discovers and explains what is • Engineering involves creating what has never

Reflection (Full Sentence on Each for a Daily Grade)

• What is engineering?

• What do engineers do?

• What is the difference between a scientist and an engineer?

What Is Technology? • How we modify the world to address their wants

and needs • Involves an artifact, or a system • Includes phones and televisions, and also things

like spoons and running shoes • It even includes the kernel of grains in our cereal

Technology in Our Everyday World

Items that exist in our “designed world”:

HomePersonal UsePlayEntertainmentExerciseTransportation

Massive Engineering Projects

• Aerospace Clips– http://www.youtube.com/watch?v=pCp2jTtay0w&feature=related– http://www.youtube.com/watch?v=j4JOjcDFtBE– http://www.youtube.com/watch?v=mMMhpcjbIno&feature=related– http://www.youtube.com/watch?

NR=1&v=1rGcn2XGr48&feature=endscreen

– Clips on a mechanical large project http://www.youtube.com/watch?v=rHmNU2xWSvs&feature=related

– http://www.youtube.com/watch?v=5jqQxuVncmc

Who were the first engineers?

Some History

3500 BC

3000 BC

Some History

1500 - 1700 England

Industrial Revolution

• Videos on Industrial Revolution

• http://www.youtube.com/watch?v=3Efq-aNBkvc

• http://www.youtube.com/watch?v=Ao1fcwjlL3s

Greatest Engineering Achievements of the 20th Century

What are the greatest engineering achievements of the 20th century?

1. Electrification 2. Automobile 3. Airplane 4. Water Supply and Distribution 5. Electronics 6. Radio and Television 7. Agricultural Mechanization 8. Computers 9. Telephone 10. Air Conditioning and Refrigeration

11. Highways 12. Spacecraft 13. Internet 14. Imaging 15. Household Appliances 16. Health Technologies 17. Petroleum and Petrochemical

Technologies 18. Laser and Fiber Optics 19. Nuclear Technologies 20. High-performance Materials

How have these achievements affected our everyday lives?

Discussion

• What technologies have made our lives – Safer– Easier– More Enjoyable

Electrification

Courtesy of the Bureau of Reclamation

Automobile

Courtesy of American Honda Motor Co., Inc

Airplane

Courtesy of Igor I. Sikorsky Historical Archives Courtesy of Ken Reid/Getty Images

Radio and Television

The Eiffel Tower was usedas a radio tower at one time.

Courtesy of Travelpix Ltd./Getty Images

Computers

Courtesy of Intel

Telephone

Courtesy of Andreas Rentz/Getty Images

Air Conditioning and Refrigeration

Highways

Courtesy of The Portland Cement Association Courtesy of Sylvia Otte/Getty Images

Spacecraft

http://history.msfc.nasa.gov/vonbraun/photo/29.html

Imaging

Courtesy of Dana Neely, Getty Images

Household Appliances

Reflection (Full Sentence on Each in Notebook for a Daily Grade)

• What is engineering?

• What do engineers do?

• What is the difference between a scientist and an engineer?

• What are some areas of technology?

• Give an example of a technological sequence over time• (eg. Wheel, chariot wheel, rubber wheels, hollow wheels, tires, radial tires, performance passenger tires)

• What are some of the Engineering achievements that are most important to you and why?

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