The application of science for practical purposes.
What is technology?
100
limitations that define the boundaries of a design process
Constraints
100
Matter, energy, or information that enters a system is called
Input
100
What type of model did you make for the Bicycle helmet design lab?
Physical Model
100
The test model of a product.
What is a prototype?
200
The application of science and mathematics to solve real-life problems.
What is engineering?
200
The study of the structure and behavior of the physical and natural world through observations and experiment is called what?
Science
200
All systems are made up of parts or ________ that interact and carry out a process.
Components
200
In order to design a solution, engineer must start with a clearly stated _______________
Need / problem
200
Science influencing Technology or Technology influencing Science?
The use of x-ray crystallography led to the discovery of the structure of DNA.
Technology influencing science
300
the specific requirements and standards a design must meet
Criteria
300
the act of giving up one design advantage in order to keep another.
Trade off
300
_____________ Occurs when the product of one system or part of a system effect another system or part of a system.
What is feedback?
300
Criteria or constraint . The helmet must reduce impact forces to the skull when a rider falls from a moving bike onto a concrete surface.
Criteria
300
List two benefits of carrying out investigations using a physical model to test a building structure for earthquake resistant design.
Cheaper, easier, safer, able to identify potential flaws in design and materials.
400
First step in Engineering Design Process.
What is to Identify a Need / Problem
400
A set of interacting parts that work together
System
400
The processes of photosynthesis is an example of what type of system?
Natural System
400
What technology inspired by nature lead to the invention of the hook and loop fastener?
The Cockle-bur lead to the invention of Velcro
400
____________ may be used to show how an event might occur under specific circumstances. they may allow scientists or engineer to test a hypothesis by changing certain conditions.
Simulations
500
The phase of the engineering design process after "Build a prototype."
What is Test and Evaluate?
500
_______ occurs when the products of one system or part of a system affect another system or parts of a system.
Feedback
500
A Lock and Dam system would be an example of what type of system?
Engineered system
500
The use of CFC'S was a response to the harm caused by the older refrigerants. what was one intend effect and unintended effect of CFC use?
Intended: Less harmful to people.
Unintended: Damaged the earths ozone layer.
500
All the information that an engineer gathers during a design / test is call what?