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Rhodes Chapter 0

Nature of Science

TermDefinition
Earth science the study of Earth, its parts, and its surroundings
life science the study of living things
physical science the study of matter and energy
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 the factors in an experiment that remain the same
control group the part of an experiment that contains the same factors as the experimental group, but the independent variable is not changed
quantitative data the use of numbers to describe what is observed in an experiment
qualitative data the use of words to describe what is observed in an experiment
model 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 an explanation of observations or events based on knowledge gained from many observations and investigations
scientific law a rule that describes a pattern in nature
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