Unit 2 Lesson 1 What Is the Design Process?
Copyright © Houghton Mifflin Harcourt Publishing Company
Unit 2 Lesson 1 What Is the Design Process?
Works of Ingenuity
Copyright © Houghton Mifflin Harcourt Publishing Company
• ...
Works of Ingenuity
Copyright © Houghton Mifflin Harcourt Publishing Company
• Engineers are problem solvers who invent or
...
The Right Tool for the Right Job
Copyright © Houghton Mifflin Harcourt Publishing Company
• Technology is any device that ...
The Right Tool for the Right Job
Copyright © Houghton Mifflin Harcourt Publishing Company
• Technology changes as people’s...
The Design Process (Part 1)
Copyright © Houghton Mifflin Harcourt Publishing Company
• Engineers follow a design process t...
Copyright © Houghton Mifflin Harcourt Publishing Company
• Engineers keep careful records, such as detailed
notes and draw...
Copyright © Houghton Mifflin Harcourt Publishing Company
• These detailed records are also used to build and
make changes ...
Copyright © Houghton Mifflin Harcourt Publishing Company
The Design Process (Part 2)
• Engineers test and improve the prot...
Copyright © Houghton Mifflin Harcourt Publishing Company
• Materials, cost, production time, and safety are
some of the cr...
Copyright © Houghton Mifflin Harcourt Publishing Company
• Some technologies are costly to develop. The high
cost of build...
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U 2 lesson 1

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U 2 lesson 1

  1. 1. Unit 2 Lesson 1 What Is the Design Process? Copyright © Houghton Mifflin Harcourt Publishing Company
  2. 2. Unit 2 Lesson 1 What Is the Design Process? Works of Ingenuity Copyright © Houghton Mifflin Harcourt Publishing Company • Computers and other engineered devices help us solve many problems. • Engineers use computers and hand-drawn diagrams to plan designs. • People use products of engineering every day, such as toothbrushes, faucets, cars, and buses.
  3. 3. Works of Ingenuity Copyright © Houghton Mifflin Harcourt Publishing Company • Engineers are problem solvers who invent or improve products that help us meet our needs. • Engineering is the process of using science and mathematics to find solutions to everyday problems. • Engineers work in many fields. They can design and test materials, work in factories or on farms, or work in medical laboratories. Unit 2 Lesson 1 What Is the Design Process?
  4. 4. The Right Tool for the Right Job Copyright © Houghton Mifflin Harcourt Publishing Company • Technology is any device that people use to meet their needs and solve practical problems. • Technologies such as tools and machines, medicines, and even weather satellites play an important role in improving lives. Unit 2 Lesson 1 What Is the Design Process?
  5. 5. The Right Tool for the Right Job Copyright © Houghton Mifflin Harcourt Publishing Company • Technology changes as people’s knowledge increases and they find better ways to meet their needs. • For example, over the past 150 years electric washing machines have replaced washboards and hand-cranked washing machines. Unit 2 Lesson 1 What Is the Design Process?
  6. 6. The Design Process (Part 1) Copyright © Houghton Mifflin Harcourt Publishing Company • Engineers follow a design process to design new technologies. The process includes a series of steps. • Engineers identify a need, or problem, and then brainstorm possible solutions. • Engineers also choose the most practical solution and build a working model, or prototype, to test. Unit 2 Lesson 1 What Is the Design Process?
  7. 7. Copyright © Houghton Mifflin Harcourt Publishing Company • Engineers keep careful records, such as detailed notes and drawings, throughout the design process. • These records help engineers remember what they have done and provide information to others working on similar problems. The Design Process (Part 1) Unit 2 Lesson 1 What Is the Design Process?
  8. 8. Copyright © Houghton Mifflin Harcourt Publishing Company • These detailed records are also used to build and make changes to the prototype. • If the prototype doesn’t work, the records help the engineer determine what might work next time. The Design Process (Part 1) Unit 2 Lesson 1 What Is the Design Process?
  9. 9. Copyright © Houghton Mifflin Harcourt Publishing Company The Design Process (Part 2) • Engineers test and improve the prototype based on criteria, or standards that determine how well the design is doing its job. • They also redesign and modify the design if it does not meet all criteria or is unsafe. • Engineers then communicate the design results orally and in written reports. Unit 2 Lesson 1 What Is the Design Process?
  10. 10. Copyright © Houghton Mifflin Harcourt Publishing Company • Materials, cost, production time, and safety are some of the criteria that engineers consider when designing products. • Thomas Edison tried a thousand times and took two years to develop a longer-lasting light bulb. • Finding materials that work well affects the design process. When designing the light bulb, Edison had to find materials that can handle heat. If At First You Don’t Succeed... Unit 2 Lesson 1 What Is the Design Process?
  11. 11. Copyright © Houghton Mifflin Harcourt Publishing Company • Some technologies are costly to develop. The high cost of building prototypes can affect the cost of the final product. • Some products, such as cars, can take years to develop because they must undergo safety and environmental testing. If At First You Don’t Succeed... Unit 2 Lesson 1 What Is the Design Process?
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