Experimental Design Principles

Question 6 • AISD-TX-Earth Systems A - Credit Recovery 2025-26

Which statement is correct?

Answer

Theories are accepted as true when a single experiment yields similar results to another one.

When a scientist finds a new way to test a hypothesis, experimental methods do not change.

Theories may be revised over time as information is discovered or technology is developed.

When a scientist finds a new way to test a hypothesis, the original theory is made into a law.

Explanation

Scientific theories are explanations supported by evidence, but they can be refined or revised when new information becomes available or improved technology allows new tests. Therefore, the correct statement is that theories may change over time. One experiment alone does not make a theory accepted as true, and a theory does not automatically become a law.

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