WorksheetsWeek 6 — Designing Technological Systems: 8th Grade
Total questions: 15
Worksheet time: 8mins
What are materials used for in technological systems?
To control feedback
To measure angles
To create products
To document ideas
Which of the following is an example of a material property?
Strength
Metal
Tape measure
CAD software
What family of materials do plastics belong to?
Wood
Ceramics
Polymers
Metals
What tool would you use to measure the length of a board?
Engineer’s notebook
CAD software
Thermostat
Tape measure
What does precision in measurement refer to?
The flexibility of a material
The exactness of a measurement
The cost of a design
The strength of a material
What is CAD software used for?
To test prototypes
To measure angles
To create detailed designs and models
To control feedback in systems
What is a prototype?
A first working model used to test ideas
A software for designing models
A system with automatic feedback control
A record of design ideas
Which of the following is an example of an open-loop system?
A simple toaster
A tape measure
A thermostat
A CAD software
What is the main feature of a closed-loop system?
It measures angles
It has no automatic feedback control
It documents design ideas
It uses feedback to adjust performance
Which of the following is an example of a design constraint?
Strength of a material
Precision in measurement
Flexibility of rubber
Budget limit
What is a design criterion?
A first working model
A record of design ideas
A requirement the design must meet
A limit on the budget
What is the purpose of sketching in the design process?
To measure angles
To control feedback in systems
To draw initial ideas showing shape and function
To test prototypes
What is an engineer’s notebook used for?
To create detailed designs
To document ideas, tests, and results
To test prototypes
To measure length
What does tolerance refer to in technological systems?
The allowed variation in a measurement or part size
The cost of a design
The strength of a material
The flexibility of rubber
What is a model used for in the design process?
A simplified representation of a product or system used for testing
A software for creating designs
A system with automatic feedback control
A record of design ideas
