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Nature of Science

McGraw Hill Lesson 1 Scientific Practices

TermDefinition
observation the act of using one or more of your senses to gather information and take note of what occurs
inference a logical explanation of an observation that is drawn from prior knowledge or experience.
hypothesis a possible explanation for an observation that can be tested by scientific investigations
independent variable the factor that is changed by the investigator to observe how it affects a dependent variable
dependent variable the factor measured or observed during an experiment
constants are the factors in an experiment that remain the same
control group is the part of an experiment that contains the same factors as the experimental group, but the independent variable is not changed.
model is a representation of a phenomenon, a system, a process, or a solution to an engineering problem that helps people visualize or understand the concept.
scientific theory is an explanation of observations or events based on knowledge gained from many observations and investigations.
scientific law is a rule that describes a pattern in nature
prediction are derived from prior observations, research, or established scientific theories. 
quantitative data information expressed as numerical values, representing quantities that can be counted, measured, or given a numerical value
qualitative data refers to descriptive information about the qualities or characteristics of something
descriptive refers to research or inquiry that focuses on identifying, categorizing, and describing phenomena or entities without necessarily testing hypotheses or determining cause-and-effect relationships
comparative refers to the process of analyzing and contrasting two or more things, often to identify similarities, differences, or relationships
experimental A systematic procedure designed to test a hypothesis or investigate a phenomenon by manipulating variables and observing the effects
variable any aspect of the experiment that can change or vary.
Created by: user-1872313
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