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26 Cards in this Set
- Front
- Back
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dependent variable
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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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trade-off
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an exchange in which one benefit is given up in order to obtain another
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opinion
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an idea about a situation that is not supported by evidence
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hypothesis
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a possible explanation for a set of observations or answer to a scientific question; must be testable
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risk-benefit analysis
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the process of evaluating the possible problems of a technology compared to the expected advantages
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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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prototype
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a working model used to test a design
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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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engineering
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the application of science to satisfy needs or solve problems
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graph
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a diagram, or picture, that helps you to see how two variables, or factors, are related
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patent
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a legal document issued by a government that gives an inventor exclusive rights to make, use, or sell an invention for a limited time
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constraints
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factors that limit a technological design
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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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models
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representations used to make complicated concepts and systems easier to study and understand
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constant variable
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factor in an experiment that remains the same; also called control variable
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technology
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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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