7th Grade Final Exam – 20% of your grade – Vocabulary Study Guide
Technological System (diagram)Input
(give example) / Something you put into a system.
Flipping a light switch.
Process
(give example) / Something that happens to the input.
Electricity flows.
Output
(give example) / The end result.
Light comes on.
Feedback
(give example) / Information about the output.
Error codes.
Closed-Loop System / System with feedback.
Open-Loop System / System without feedback.
Invention
(give example) / Original creation.
Original iPod
Innovation
(give example) / Improvement of inventions
Next generations of iPods
Systems Model / A general model of components that work together, each serving a specific function.
System / A group of parts that work together.
Subsystem / Systems within a system.
Brainstorming / Process of generating ideas to meet a particular need or solve a problem.
Technology / Human innovation in action. Objects, environment, or process created by man.
Recycling / Process of reusing products.
Upcycling / Recycling products to make a better product.
Environmental
Concerns (examples) / Being concerned about the environment.
Pollution
Society Concerns
(examples) / Being concerned about issues affecting society.
Law, alcoholism, texting driving
Needs / Something you must have to survive.
Oxygen, water, shelter, clothing.
Wants / Something you desire but don’t need to survive.
Constraints / A limit to the design process.
Criteria / Specifications of a product or system.
Troubleshooting / Trying to find out what is wrong.
Maintenance / Fixing to keep it working, prevent further problems.
Prototype / A full size working model.
Thumbnail Sketches / Picture representations of an idea or completed project.
Scale Drawing / Drawing that is proportional to the actual product.
Manufacturing (Location) / Production in a factory.
Construction (Location) / Production ‘on site’
Safety (purpose/example) / To prevent injuries or damage to a product.
Integration / Components or systems working together.
Collaboration / People working together.
MA / Mechanical Advantage
MA = l / h / Formula where l = length of inclined plane
and h = height of inclined plane
Work / Force x Distance