Ch 7
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What is science?
the process of using experiment, observation, and reasoning to develop mental models (theories) of the natural world Science involves systematic methodologies to understand and explain natural phenomena.
Define scientific fact.
a scientific statement supported by a great deal of evidence, that is correct as far as we know Scientific facts are established through rigorous testing and validation.
What is a theory in scientific terms?
a mental model that is the best current explanation of facts, and can be used to produce hypotheses Theories are broader than hypotheses and integrate multiple facts and observations.
Define hypothesis.
a testable prediction, based on a theory, of what will happen in certain circumstances Hypotheses are formulated to be tested through experiments.
What is an experiment?
a scientific test of a hypothesis Experiments are designed to validate or invalidate hypotheses.
What does truth refer to in a scientific context?
the way things really are Truth in science is often pursued through evidence and logical reasoning.
Goal of science
To develop mental models(theories) that accurately describe how the natural world works