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science chapter 1

What is physical science?

QuestionAnswer
Science a way of learning the natural world through observations and logical reasonings
Observing the process of using one or more of your senses to gather information
qualitative observations an observation that deals with characteristics that are not expressed in numbers
Quantitative observations an observation that deals with a number or amount
inferring the process of making a inference, an interpretation based on observations and prior
predicting the process of forecasting what will happen in the future based on past experience or evidence
chemistry the study of the properties of matter and how matters change
physics the study of matter and energy and how they interact
scientific inquiry the ongoing process of discovery in science
hypothesis a possible explanation for a set of observation or answer to a scientific question
variables a factor that can change in an experiment
manipulated variable the one factor that a scientist changes during the experiement
responding variable the factor that changes as a result of changes to the manipulated or independent, variable in an experiment
data facts, figures, and other evidence gathered through observations
communicating the process of sharing ideas with others through writing and speaking
scientific law a statement that describes what scientists expect what happen every time under a particular set of situations
scientific theory a well tested explanation for a wide range of observations or experimental results
technology a way of changing the natural world to meet human needs or solve practical problems
engineer a person who is trained to use both technological and scientific knowledge to solve practical problems
brainstorming a process in which group members freely suggests any creative solutions that come to mind
constraint any factor that limits or restricts a design
trade-off an exchange in which one benefit is given up in order to obtain another
prototype a working model used to tests a design
troubleshooting the process of analyzing a design and finding a way to fix it
systems a group of related parts that work together
Created by: 088103