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  • Understanding Scientific Theories: Definition & Key Characteristics
    A theory is a well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses. It is not just a guess or an opinion, but a well-supported explanation based on evidence.

    Here are some key characteristics of a theory:

    * Explanatory power: It explains a wide range of phenomena.

    * Predictive power: It can predict future events or outcomes.

    * Testability: It can be tested through observation and experimentation.

    * Falsifiability: It can be proven wrong through evidence.

    * Parsimony: It is the simplest explanation that fits the evidence.

    * Consistency: It is consistent with other well-established theories.

    Examples of Theories:

    * Theory of Evolution: Explains the diversity of life on Earth through the process of natural selection.

    * Theory of Relativity: Explains the relationship between space, time, gravity, and energy.

    * Atomic Theory: Explains the structure of matter and the behavior of atoms.

    * Plate Tectonics: Explains the movement of Earth's crust and the formation of continents and mountains.

    Important Note:

    It is important to distinguish between a theory and a hypothesis. A hypothesis is a proposed explanation for an observation, while a theory is a well-supported explanation that has been repeatedly tested and confirmed.

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