63
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 63 • PA-Physical Science A

Which is the most likely reason why scientists change a model?

Answer
A
The public wants to understand a concept more easily.
B
Students need illustrated models in a study guide.
C
New discoveries makes the current model inaccurate.
D
Current models may be uninteresting.

Explanation

Scientists revise a model when new evidence or discoveries show that it does not accurately explain or represent what they observe. Making a model easier to understand or more interesting may affect how it is presented, but scientific accuracy is the main reason for changing it. Choice C, “New discoveries makes the current model inaccurate,” is the best answer.

AI-written and checked against the verified answer.

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