Which two factors define any engineering problem? Select the correct choice.

• making and testing

• time and expense

• nature and technology

• criteria and constraints

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Engineers are testing a solution to a problem. The solution is failing. What should they do? Select all that apply.

• consider using other materials for the design

• figure out what didn't go right with the design

• decide not to develop other solutions to this problem

• understand that sometimes things don't work as planned

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Which of the following is a good design practice? Select all that apply.

• have multiple designs

• skip the testing stage

• identify criteria and constraints

• test solutions only once

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which of the following is poor design practice? Select all that apply.

• skip the testing stage

• identify criteria and constraints

• test solutions only once

• improve multiple times

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Select all the choices that correctly complete this sentence. During the design process, engineers ______________.

• test solutions to design problems more than once

• don't waste time learning about other solutions

• don't try to improve others' solutions or their own solutions

• create more than one solution to the same problem

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Janet is trying to improve the design of her lunchbox. Choose the criteria that she should keep in mind. Select all that apply!

• The lunchbox should be comfortable to carry for long periods.

• The lunchbox should keep the food colder.

• The lunchbox could use a special pocket for water bottles.

• The lunchbox should have sharp corners and rough edges.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

NGSS.MS-PS3-3

During our tests, we should change _________ of the design at a time.

• one part

• many parts

• don't have a prototype

Tags

NGSS.MS-ETS1-4

Which are good reasons for repeated testing in the engineering design processes? Select all that apply.

• to ensure safety

• to solve problems

• to reduce feedback

• to eliminate criteria

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Which phase comes first in the engineering design process?

• Make and Test

• Explore

• Improve and Test

Which phase comes second in the engineering design process?

• Make and Test

• Explore

• Improve and Test

Tags

NGSS.MS-ETS1-2