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Tech study


TECHNOLOGY The modification of the natural environment in order to satisfy human needs and wants.
Technology Literacy: The ability to use, manage, understand, and access technology
Materials Technology: The technology of producing, altering, and combining materials.
Information & Communication Technology: The technology of communicating to people and machines.
Medical Technology: The technology of caring for the sick and curing disease.
Agricultural & Bio Technology: The technology of farming and DNA.
Construction Technology The technology of building and maintaining structures.
Energy & Power Technology The technology of producing and transferring energy into work/power.
Manufacturing Technology: The technology of producing goods in a factory.
Science: The knowledge of the natural world (Discovery). Helps us develop technology
Invention: A totally new product, produced from ideas and imagination.
Innovation: An improvement to an invention. You will have more innovations than inventions.
Positive Outcomes vs. Negative Outcomes: Positive: technology solves problems, Negative: creates new problems
Systems Model A group of units/parts that work together. Consists of input, process, output and sometimes feedback.
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
Systems Thinking Viewing problems as parts of an overall system. What component is causing the problem?
Controls Mechanisms or steps that are performed using information about the system that cause the system to change.
Input 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
Criteria: The problem you are trying to solve/the goal of your design. Example: Design a bridge
Constraint Limitations to your design. You may have a time limit, money limit or specifications for the appearance.
Prototype: A full-scale working model of the product. For example the crash car used to test car safety.
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.
Mechanical Advantage A force that is increased by the use of a machine. Ex. using a drill to drive a screw.
Created by: 12578421
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