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Questions and Answers
What is an independent variable?
What is a dependent variable?
The experimental factor that is being measured.
What is the scientific method?
A systematic approach used in scientific study that typically includes observation, a hypothesis, experiments, data analysis, and a conclusion.
What is a hypothesis?
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What is an experiment?
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What is a variable?
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What is a control in an experiment?
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What is a model?
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What is a scientific theory?
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What is a scientific law?
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What is precision in measurements?
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What is accuracy in measurements?
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Study Notes
Key Concepts in Science
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Independent Variable: The element that the experimenter changes deliberately in a study to observe its effects.
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Dependent Variable: The factor that is measured in an experiment, which may change due to alterations in the independent variable.
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Scientific Method: A structured process for scientific inquiry involving observation, hypothesis formulation, experimentation, data analysis, and concluding results.
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Hypothesis: A specific and testable prediction generated from a question or observation about the relationship between variables.
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Experiment: A research procedure where one variable is manipulated to determine its effect on another, allowing scientists to establish cause-and-effect relationships.
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Variable: Any factor that can be changed or controlled within an experiment; can be independent, dependent, or controlled.
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Control: A baseline condition in experimental design against which the results of other conditions are compared, ensuring reliability and validity.
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Model: A simplified representation or conceptual framework of a phenomenon that aids in understanding complex concepts or processes.
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Scientific Theory: A well-substantiated explanation of a phenomenon, built upon a body of evidence from observations and experiments.
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Scientific Law: A concise statement that describes a consistent and universal relationship observed in nature, often expressed mathematically.
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Precision: Refers to the consistency of repeated measurements; high precision indicates minimal variation among repeated measurements.
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Accuracy: Indicates how close a measured value is to the actual or accepted standard; high accuracy signifies measurements are near the true value.
Studying That Suits You
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Description
Test your knowledge of key concepts in science with these flashcards focused on Chapter 1: The Nature of Science. Learn about independent and dependent variables, as well as the scientific method. Perfect for students looking to reinforce their understanding of foundational scientific principles.
