Question

Which of the following is an example of how a
scientist might use a model?

A.Stopwatches measure the amount of time it takes for runners to complete in a mile

B.Marbles placed inside a hollow sphere are used to describe protons in a nucleus

C.A wrench is used to tighten a nut onto a piece of wood

D.microscopes are used to magnify a group of cells on sets of slides

Answer 1

D IS THE CORRECT ANSWER...

Answer 2

From the given options the option A) Marbles placed inside a hollow sphere are used to describe protons in a nucleus is an example of how a scientist might use a model.

Since the nucleus is very small and not visible to a naked eye hence models are used like marbles to represent what the nucleus could be.