Which Is a Scientific Theory Quizlet?

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Martha Robinson

A scientific theory is a well-established explanation of natural phenomena that has been repeatedly tested and confirmed through observation and experimentation. Theories are based on empirical evidence and are used to predict future observations or phenomena. In this article, we will explore what a scientific theory is and how it differs from other scientific concepts.

What is a Scientific Theory?

A scientific theory is an explanation of natural phenomena that has been repeatedly tested and confirmed through observation and experimentation. Theories are based on empirical evidence, meaning they are derived from observation, measurement, and experimentation. They provide a framework for understanding the natural world by explaining how things work and why they happen the way they do.

How is a Scientific Theory Different from a Scientific Hypothesis?

A scientific hypothesis is an educated guess about the cause or mechanism of a particular phenomenon. It is based on limited evidence or observations and requires further testing to be confirmed or rejected. A hypothesis can lead to the development of a theory by providing a starting point for investigation.

In contrast, a scientific theory has already been extensively tested through experimentation and observation. It has withstood repeated attempts to disprove it and has been accepted as the most likely explanation for the observed phenomenon.

Examples of Scientific Theories

Some examples of well-established scientific theories include:

  • The theory of evolution by natural selection
  • The germ theory of disease
  • The Big Bang theory
  • The cell theory
  • The general theory of relativity

Each of these theories explains natural phenomena in different fields such as biology, medicine, astronomy, and physics.

Why Are Scientific Theories Important?

Scientific theories play an essential role in science as they provide explanations for natural phenomena that have been tested and confirmed through observation and experimentation. They help us understand how the world works and provide a framework for further investigation.

Theories also allow scientists to make predictions about future observations or phenomena. For example, the theory of evolution by natural selection predicts that species will change over time as they adapt to their environment.

Conclusion

In conclusion, a scientific theory is a well-established explanation of natural phenomena that has been repeatedly tested and confirmed through observation and experimentation. It differs from a scientific hypothesis in that it has already been extensively tested and accepted as the most likely explanation for the observed phenomenon. Scientific theories are important because they provide explanations for natural phenomena, allow scientists to make predictions, and provide a framework for further investigation.