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6th grade · Science · Unit 9 of 9

Engineering Design

Criteria, constraints, testing and improving.

What your child practices

Practices the engineering design process: defining a problem with criteria and constraints, comparing solutions, testing to find the best features, and improving a design step by step.

Washington State Learning Standards learning standard: MS-ETS1-1; MS-ETS1-2; MS-ETS1-3; MS-ETS1-4 · defining design problems, evaluating and testing solutions, and improving designs

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    Engineers who share results can…

    • keep designs secret forever
    • skip testing
    • ignore data
    • combine the best features of different designs

  2. Question 2

    When testing designs, a fair test changes…

    • no variables
    • the results
    • only one variable at a time
    • every variable

  3. Question 3

    Why should a test be repeated several times?

    • To change the answer
    • To make sure results are reliable
    • Because one is never enough fun
    • To waste time

  4. Question 4

    A model is useful because it…

    • lets you test ideas before building the real thing
    • never changes
    • is the final product
    • is always full size

  5. Question 5

    In engineering, criteria are…

    • what the solution must do to succeed
    • the final drawing
    • limits on the design
    • the materials list

  6. Question 6

    A design meets all criteria but breaks the cost constraint. It is…

    • perfect
    • not acceptable yet
    • finished
    • the best possible

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