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Tech Exam
Tech Exam practice
| Term | Definition |
|---|---|
| What is tech.? | the use of knowledge and resources to develop products and systems to satisfy people's needs or wants. |
| why do we study tech.? | so that we can understand,use, and manage it. |
| how is tech. used? | used to solve problems and extend our capabilities. |
| how fast is tech. growing ? | exponentially |
| names the main types of tech. and how they are used | medical- vaccines,medicine,and surgery. agricultural- pest control,irrigation,and other tech. for farming. energy- all sources,fossil fuels,wind,water, and sun. communication- using one form or another to send and receive info. |
| what are the basic steps in the problem solving method | 1. understanding the problem. 2. gathering info. 3. developing solutions. 4. implementing solutions. 5. testing and evaluating. 6. redesign and communication. |
| what is a system? | a combination of parts that work together to achieve a desired goal. |
| how does a systems model work? | inputs -> process or resources -> output -> feedback -> back to inputs |
| list the parts of a systems model and explain what they do | input- the different possible solution ideas process or resource- the amount of goods and services available to be used. output- the outcome as a result of the input and resources that are used. |
| what types of outcomes can systems create? | desired, expected, undesired, unexpected |
| name the different tech. eras and explain their significance | Prehistoric- hunting and gathering tools. Agricultural- growing food. Industrial- mass producing goods. Informational- technology age. |
| what is energy? | the ability to do work |
| what is work? | the process of transferring energy |
| what is potential energy? | energy of position, energy that is not in use but available |
| what is kinetic energy? | energy of motion or energy that is in use |
| what is law of conservation of energy? | energy can't be created or destroyed by ordinary means, but can be converted from one form to another |
| what is energy transformation? | the changing of energy from one form to another |
| what is gravitational potential energy? | potential energy that is dependent on height |
| what can be used to maintain control of an object while it is going down a slope? | friction |
| what will happen to an object that goes down a slope too steep? | it will become out of control and will not be able to stop at the end. |
| the first hill on any roller coaster is very important because it must? | create enough gravitational potential energy for the coaster to go through the rest of the track without needing any more power. |
| what are ethics? | ethics are concerned with standards, rules or guidelines for morally or socially approved conduct, such as being honest or trustworthy or acting in the best interest of society. |
| how can ethical behavior best be described? | when one does what is best for everyone |
| why should engineers follow their professional ethics code? | it provides a clear definition of what the public expects from responsible engineers |
| why should engineers act ethically? | that is the way engineers behave |
| who is an engineer MOST obligated to? | the public welfare |
| when should a registered professional engineers take clients? | they are fully technically competent to carry out the services |
| during what age (time period) was the development of weapons a major driver of technological development? | all ages |
| what is a method or process involved in? | engineering |
| from your notes over unit 1, describe what a model is | it can be a mathematical formula, a miniature representation, and a simplified system. |
| which career that we have discussed in class uses a design team? | engineering |
| explain what a constraint is and provide 3 examples. be specific. | a constraint is a limitation or restriction. economic,environmental,ethical and legal,health and safety,manufacturability,political and social-FDA language? |
| what can be identified as a thing? | technology |
| what explains what is or what already exists? | science |
| what law states computing power increases exponentially? | Moore's law |
| when will engineers be out of work? | never |
| when will mankind's basic needs be met? | never |
| what is another word for limitation? | constraint |
| what is iterative? | constant,repetitive,repeating. (engineering) |
| who uses or applies 'iterative'? | engineers |
| which of the following involves forming a hypothesis? | the scientific method |
| what was the most important technological development during the stone age? | fire |
| what was the most important technological development during the bronze age? | smelting,metalwork |
| the rule of law allowed for what? | private property |
| Name the main types of technology and how they are used PART 2 | Power- types, combustible engine, etc. transportation- movement of goods, services, or people from one place to another efficiently. Manufacturing- robotic arms changing resources into goods. Bio-related- genetics. |
| Name the main types of technology and how they are used PART 3 | Construction- building roads, buildings, and bridges, equipment used to make it easier. |
Created by:
pcn
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