HMH Dimensions Unit 1, Lesson 2 How Do Engineers Design Solutions?

Engineers design ______________ to help solve problems, meeting wants and needs.

• solutions

• problems

• acoustics

Tags

NGSS.MS-ETS1-1

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Studying old prototypes, having multiple designs, identify criteria and constraints, and make multiple improvements are examples of __________ design practices.

• good

• poor

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

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Skipping the testing stage, and testing solutions only once are examples of ________ design practices.

• good

• poor

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

TRUE or FALSE - Engineers test solutions to design problems more than once and create more than one solution to the same problem.

• True

• False

Tags

NGSS.MS-ETS1-2

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Which of these problems do animals solve by using their hearing? (Pick 2)

• finding food

• swimming faster or slower

• sleeping well at night

• locating dangerous predators

Engineers _____________ designs because it's important to be sure a solution works.

• test

• retesting

• many tries

Tags

NGSS.MS-ETS1-2

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NGSS.MS-ETS1-4

Usually ______________ happens because it takes many tries to get a working prototype.

• test

• retesting

• design

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NGSS.MS-ETS1-3

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Usually retesting happens because it takes ____________ to get a working prototype.

• test

• many tries

• redesigning

Tags

NGSS.MS-ETS1-2

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A new student just joined your class and needs to get caught up on this lesson. What should she do to begin designing her hearing-enhancing device?

• research careers in acoustic engineering

• study the devices already made by other students

• learning how different birds sing different types of songs

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NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

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Which of these should the new student learn more about at this point? (Pick 3)

• ear trumpets

• stethoscopes

• sound waves

• lights and mirrors

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2