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33 Cards in this Set
- Front
- Back
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Engineering |
Using science to meet needs or solve problems. |
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Patent |
A legal document given by a government that gives an inventor exclusive rights to make, use, or sell an invention for a limited time |
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Trade-off |
An exchange in which one benefit is given up in order to obtain another. |
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Prototype |
A working model used to test a design. |
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Risk-benefit Analysis |
The process of comparing the positives and negatives of a design or a change to a design. |
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Constraints |
Things that limit your choices in solving a problem. |
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Models |
Representations used to make complicated concepts and systems easier to study and understand. |
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Dependent variable |
The factor that changes as a result of changes to the manipulated, or independent, variable in an experiment; also called responding variable |
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Opinion |
An idea about a situation that is not supported by evidence. |
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hypothesis |
A possible explanation for a set of observations or answer to a scientific question; must be testable |
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scientific law
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a statement that describes what scientists expect to happen every time under a particular set of conditions
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independent variable
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the one factor that a scientist changes during an experiment; also called manipulated variable
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ethics
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rules that enable people to know right from wrong |
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predicting
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the process of forecasting what will happen in the future based on past experience or evidence |
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observation
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information gathered using one or more of your senses |
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bias
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allowing what you hope or expect to happen to influence your analysis of actual results |
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science
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a process of learning about the natural world and a body of knowledge about the natural world
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observing
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the process of using one or more of your senses to gather information
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evidence
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observations and conclusions that have been repeated
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scientific literacy
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the knowledge and understanding of scientific concepts necessary for evaluating information, making personal decisions, and taking part in public affairs |
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graph |
a diagram, or picture, that helps you to see how two variables, or factors, are related
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inference
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a logical conclusion based on observed evidence
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scientific inquiry
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the ongoing process of discovery in science; diverse ways in which scientists study the natural world and propose explanations based on evidence they gather |
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constant variable |
factor in an experiment that remains the same; also called control variable
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Technology |
The practical use of scientific knowledge to solve everyday problems and improve lives |
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scientific theory
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a well-tested explanation for a wide range of observations or experimental results |
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Benefit |
An advantage or profit gained from something. |
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Evaluate |
When you form an idea of the value of a design and if it fits within the criteria and constraints. |
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Priority |
A thing that is regarded as more important than another.
The most important feature(s) of a design. |
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Engineer |
A person who uses the design process to solve problems to meet societies needs. |
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Cost |
An amount that has to be paid to create or add a feature to a design. |
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Criteria |
The goal that you are trying to meet.
The requirements that a design must meet in order to be accepted. |
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Design |
A plan or drawing that shows how something looks and works before it is built.
The process of creating a solution to a problem. |
