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# NCEF STUDY GUIDE

TermDefinition
Technology Modifying the natural environment to satisfy human needs and wants
Criteria A goal or problem that you are solving. Your solution must solve this problem
Constraint A limitation to your design. It could be money, size, color,etc
System A group of units or parts that work together
Sub-System Unique, independent systems necessary for the overall structure or system to function
Open-Loop System A system in which there is no feedback (Input>Process>Output)
Closed-Loop System A system in which there is feedback. Input>Process>Output>Feedback)
Input Anything put in to a system. Can be capital (\$), raw materials, people (labor), fuel, etc.
Process The process of changing/using the inputs. Ex. The burning of the fuel to produce power/work in an engine
Output The results of the system. Can be power, movement, a product, etc.
Feedback Information about the system that can be used to alter the system. Can be a gauge or other measurements.
Positive Impacts When a technology solves problems and makes life easier for humans.
Negative Impacts When a technology creates problems and has consequences for humans.
Maintenance Checking components of a system before they breakdown.
Newton’s 1st Law An object remains still or remains in motion unless acted upon by an outside force.
Newton’s 2nd Law Force = mass x acceleration. The greater the mass, the more force that is needed to move it.
Newton’s 3rd Law For every action, there is an equal and opposite reaction.
Types of Energy Unlimited (wind, solar), Non-Renewable (will run out, like oil), Renewable (will replenish with time, like bio fuels).
STEM Integration The combination of Science, Technology, Engineering, and Mathematics in Technology, Engineering, and Design.
Science Knowledge for Tech Using scientific theory/discoveries to advance technology.
Social Studies for Tech Examining technology’s impact on society.
Language Arts for Tech Using speaking and writing skills for technology. For example, writing a technical report about a design.
Mathematics for Tech Using mathematics for the design of inventions/technology. For example, using geometry to design a structure.
Tech effects on the Environment Technology can have harmful effects on the environment, such as pollution. Air pollution laws would be an example of this relationship.
Upcycling The process of using unwanted materials to create a new product of better quality.
Recycling The process of using discarded material as a resource for new things.
Transportation Tech Technology that makes it easier to transport people or goods.
Sub-Systems for Transportation Tech Suspension, Propulsion, Structure, and Support (support provides maintenance).
Construction Tech Technology that makes it easier to construct structures like buildings and bridges.
Communication Tech Technology that makes it easier to encode, transmit, and decode messages.
Medical Tech Technology that makes it easier to diagnose and cure diseases.
Manufacturing Tech Technology that makes the manufacture of goods in a factory easier.
Agricultural & Bio Tech Technology that makes it easier to grow crops and feed the populous.
Energy & Power Tech Technology that aides us in the production of energy and power in the form of electricity, engines, etc. (Examples: Nuclear Power Plant, Car Engine, etc.)
Agricultural Revolution Agriculture changed the humans lived because they stopped being hunters and gatherers and started living in cities.
Hydroponics The use of biotechnology research produced hydroponics. Hydroponics makes it possible to grow food without the use of soil.
Created by: ChrisJM

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