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Tech. Study Guide

Extra help for elective MSL

Technology modifying the natural environment to satisfy human needs and wants.
Criteria goal or problem that you are solving. Your solution must solve this problem.
Constraint limitation to your design;it could be money, size, color, etc.
System 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 system in which there is no feedback. (Input>Process>Output)
Closed-Loop System 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 process of changing/using the inputs; ex.the burning of the fuel to produce power/work in an engine.
Output results of the system;can be power, movement,a product,etc.
Feedback info. 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 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.
Created by: number#5