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Science8-Unit1

Sci8-Unit1-Intro to Science

TermDefinition
empirical evidence the observations, measurements, and other types of data that people gather and test to evaluate scientific ideas.
theory a system of ideas that explains many related observations and is supported by a large body of evidence collected through scientific investigation. Often explains the "how" or "why" behind what we observe in nature.
law a descriptive statement or equation that reliably predicts events under certain conditions. Explains "what" we see in nature.
experiment an organized procedure to study something under controlled conditions.
observation the process of obtaining information using the senses.
hypothesis a testable idea or explanation that leads to a scientific investigation
data information gathered by observation or experimentation that can be used in calculation or reasoning.
independent variable in a scientific investigation, the variable that is deliberately manipulated
dependent variable in a scientific investigation, the variable that changes as a result of manipulation, resulting in data to collect.
constant in a scientific investigation, the factors that do not change throughout the investigation.
experimental group in a scientific investigation, the group or trial that contains the independent variable.
control group in a scientific investigation, the group or trial that does not contain the the independent variable.
model a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.
simulation a method that is used to study and analyze the characteristics of an actual or theoretical system.
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