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yes. the Phlogiston theory of combustion is no longer considered correct. The same is true of the Geocentric theory of the Solar system, or of the Flat Earth theory.

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Why Scientists are most likely to change a scientific theory if?

Scientists are most likely to change a scientific theory if new evidence contradicts the existing theory, if the theory fails to explain new observations accurately, or if a more comprehensive theory emerges that better explains the phenomena in question. Scientific theories are constantly refined and updated based on rigorous testing and evidence.


How is Scientific law and scientific theory diffrent?

A scientific law is the description of a recurring event that occurs in nature. A scientific theory is an explanation of the law. The law does not change, but the theory may change when new data indicate that it needs to.


Can scientific theory be disproved?

Yes. If a scientific theory cannot be "falsified" - that is, proven to be not true - then it isn't "scientific". A scientific theory will always lead to some tests that can be performed. If the test fails - that is to say, if your theory doesn't behave in accordance with the experimental results - then we can say that the theory is "disproved". This is the problem with a lot of the "global warming" and "global climate change" hysteria; the computer models for climate change make a number of predictions, but the models don't behave as predicted. The global climate change theory is, if we judge by the results of the models, disproved.


Can a theory ever change?

Yes, scientific theories can change or be revised as new evidence is discovered and our understanding of the natural world evolves. This process is fundamental to the scientific method and helps to ensure that our theories align with the most up-to-date knowledge available.


Does a scientific law have to be a theory first?

No, a scientific law is a statement that describes a natural phenomenon, usually in mathematical terms. It is based on repeated observations and experiments. In contrast, a scientific theory is an explanation of why and how a natural phenomenon occurs, supported by evidence and reasoning. Laws and theories work together in science to provide a complete understanding of the natural world.