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11 PLTW - IED Final Exam 1.Innovation ANS An improvement of an existing technological product, system, or method of doing something.
2.Invention ANS A new product, system, or process that has never existed before, created by study and experimentation.
3.Design Brief ANS A written plan that identifies a problem to be solved, its criteria, and its constraints. The design brief is used to encourage thinking of all aspects of a problem before attempting a solution.
4.Design Process ANS A systematic problem-solving strategy, with criteria and con- straints, used to develop many possible solutions to solve a problem or satisfy human needs and wants and to winnow (narrow) down the possible solutions to one final choice.
5.Construction Line ANS Thin lines that serve as guides while sketching or drawing. 1 / 2
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11 6.Hidden Line ANS A line type that represents an edge that is not directly visible, because it is behind or beneath another surface.
7.Isometric Sketch ANS A form of pictorial sketch in which all three drawing axes form equal angles of 120 degrees with the plane of projection.
8.Multiview Drawings ANS Views of an object projected onto two or more orthographic planes.
9.Object Line ANS A heavy solid line used on a drawing to represent the outline of an object.
10.Oblique Sketch ANS A type of sketch involving a combination of a flat, orthographic front with depth lines receding at a selected angle, usually 45 degrees.
11.Orthographic Projection ANS A method of representing three-dimensional objects on a plane having only length and breadth. Also referred to as Right Angle Projection.
12.Perspective Sketch ANS A form of pictorial sketch in which vanishing points are used to provide the depth and distortion that is seen with the human eye. Perspective drawings can be