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Chapter 1 Science

Science A way of learning about the natural world
Observing Using one or more of your senses to gather information
Quantitative Observation Deals with numbers or amounts
Qualitative Observation Deals with descriptions that cannot be expressed in numbers
Inferring When you explain or interpret the things you observe
Predicting Making a statement or a claim about what will happen in the future based on past experience or evidence
Classifying The grouping together of items that are alike in some ways
Making Models Creating representations of complex objects or processes
Evaluating Comparing observations and data to reach a conclusion about them
Scientific Investigation The way in which scientists study the natural world
Skepticism Having an attitude of doubt
Personal Bias If a person's likes and dislikes influence how he or she thinks about something, its called Personal Bias
Cultural Bias When the culture in which a person grows up affects the way that person thinks, this is called Cultural Bias
Experimental Bias A mistake in the design of an experiment that makes a certain result more likely is called Experimental Bias
Ethics The rules that enable people to know right from wrong
Objective You make decisions and draw conclusions based on available evidence
Subjective Means that personal feelings affect how you make a decision or reach a conclusion
Deductive Reasoning A way to explain things by starting with a general idea and then applying the idea to a specific observation
Inductive Reasoning Specific observations to make generalizations
Scientific Inquiry Thinking and questioning
Hypothesis A possible answer to a scientific question
Variables Factors that can change in an experiment, must be the same
Independent Variable The one variable that is purposely changed to test a hypothesis
Dependent Variable The factor that may change in response to the independent variable
Controlled Experiment An experiment in which only one variable is changed at a time
Data The facts, figures, and other evidence gathered through qualitative and quantitative observations
Scientific Theory A well tested and widely accepted explanation of observations and experimental results
Scientific Law Is a statement that describes what scientists expect to happen every time under a particular set of conditions
Created by: roos_grant