
PLTW DM Midterm Exam
Flashcard
•
Computers
•
7th - 8th Grade
•
Practice Problem
•
Hard
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49 questions
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1.
FLASHCARD QUESTION
Front
Why is sketching an effective communication tool?
Back
Sketching allows designers to accurately communicate details of their ideas with lots of information at once.
2.
FLASHCARD QUESTION
Front
Why might a designer or engineer use an isometric sketch rather than a perspective sketch to communicate their idea?
Back
An isometric sketch has no vanishing points and all horizontal and vertical lines are parallel to show details on three sides of an object simultaneously.
3.
FLASHCARD QUESTION
Front
Why is a decision matrix an important tool to use in the design process?
Back
A decision matrix determines the best solution by comparing design ideas to the criteria and constraints.
4.
FLASHCARD QUESTION
Front
While there are different versions of the design process, what are the essential elements in any type of design process?
Back
The design process must be iterative where designers can revisit previous steps to modify and change their design based on failures and testing.
5.
FLASHCARD QUESTION
Front
A line type that is used to indicate the axis of symmetry for a part or feature.
Back
Centerline
6.
FLASHCARD QUESTION
Front
Thin lines that serve as guides while sketching or drawing.
Back
Construction Line
7.
FLASHCARD QUESTION
Front
A straight line passing from side to side through the center of a circle or sphere.
Back
Diameter
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