Development of a Theory

proposed that species can change over time, that new species come from pre-existing species, and that all species share a common ancestor

• camouflage

• theory of evolution

• niche

• primate

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Well-tested explanation that unifies a broad range of observations.

• Theory

• Law

• Evolution

• Fossil

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A(n) ________ is a well-developed set of ideas that proposes an explanation for observed phenomena.

• conclusion

• hypothesis

•   operational definition

• theory

Answer explanation

hypothesis is a specific prediction

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Which scientist is known for proposing the theory of general relativity?

• Isaac Newton

• Albert Einstein

• Galileo Galilei

• Niels Bohr

What is the primary purpose of a scientific theory?

• To prove a hypothesis

• To describe a law

• To explain observations

• To predict future events

Which of the following is an example of a scientific theory?

• The law of gravity

• The theory of relativity

• The hypothesis of continental drift

• The experiment of Mendel

In the scientific method, what follows after forming a hypothesis?

• Conducting experiments

• Formulating a theory

• Making observations

• Drawing conclusions

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What distinguishes a scientific theory from a hypothesis?

• A theory is a guess, while a hypothesis is a fact

• A theory is well-substantiated, while a hypothesis is a proposed explanation

• A theory is less reliable than a hypothesis

• A theory is a law, while a hypothesis is an observation

Which of the following best describes a scientific law?

• A well-tested explanation

• A statement based on repeated experimental observations

• A hypothesis that has been proven

• A theory that has been disproven

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What is the role of peer review in the development of a scientific theory?

• To ensure the theory is correct

• To provide funding for research

• To evaluate and validate research findings

• To publish the theory in a journal

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