PLTW Gateway Final Review

Which of the following behaviors can negatively impact team success?

• Group members focus on the ideas of those with the best grades in the class
• Group members listen to each other and everyone’s ideas are heard
• Group members feel free to disagree, but all feedback given is helpful
• Group members understand their tasks and help each other achieve the goals

Which of the following best describes why sketching is an effective communication tool?

• Designers can color parts of a sketch to show texture and communicate an object’s appearance
• Sketching allows designers to accurately communicate details of their ideas with lots of information at once
• Using sketches to communicate ideas makes the design neat and pleasing to the eye
• Sketching tells a story about the design, such as how it might be used or where it will be made

^{Use the image to answer the question.}

_{What is the length of the four blocks to the line?}

• 2-13/8 in.
• 2.13 in.
• 2-13/16 in.
• 2-11/16 in.

^{Use the image below to answer the question.}
What is the surface area of this box?
2wl + 2lh + 2hw

• 768 cm²
• 244 cm²
• 576 cm²
• 488 cm²

_{^{What is 11.17 miles when represented in meters?}}

• 17,987 meters
• 6,937 meters
• 18 meters
• 6.9 meters

What is the dial caliper measurement for these four blocks to the nearest thousandth of an inch?

• 2.200 in.
• 2.194 in.
• 2.940 in.
• 2.294 in.

^{_{What is the length of the three blocks to the line?}}

• 3.5 in.
• 3.5 mm.
• 3.5 cm
• 35 cm.

Why is a decision matrix an important tool to use in the design process?

• A decision matrix determines the best solution by comparing design ideas to the criteria and constraints
• A decision matrix is used to identify the criteria, constraints, and deliverables
• A decision matrix organizes your sketches, models, and brainstorming
• A decision matrix is a contract between the client and the designer

^{The dimensions shown in the sketch are in inches. From this multiview sketch, what is the volume of this rectangular prism?}

• 46 cm³
• 46 cm²
• 15 cm²
• 15 in³

^{The first image shows a geometric primitive that will be used to create a new object. The second image shows the finished object. What solid modeling method was used to create the finished object?}

• Solid Cutting Method
• Additive Method
• Removal Method
• Subtractive Method