Which of the following statements about scientific models is true?
a. Models are useful only if you can hold them in your hands.
b. models are useful only if they can be used to explain or make predictions about something
c. models are useful only if they represent an object, process, or system that is too small to study directly
d. models are useful only if they represent reality exactly

b. models are useful only if they can be used to explain or make predictions about something

For the writer, scientific models are paradigms of set of patterns that is assumed to happen in a particular situation or circumstance which is why it was created and modeled, to explain a certain phenomenon. Take for instance the biogeochemical cycle model –water cycle. The water cycle model involves the different process which was observed happen as the current cycle has been experimented and predicted to happen again with the same process.

ardni313 ardni313 · Answer 2 · 2019-09-09T23:05:21-04:00

The following statements about scientific models is true

b. models are useful only if they can be used to explain or make predictions about something

Further explanation

In a particular research or experiment, a model is needed that can describe the state of a process, system or object.

For example the atomic model of several researchers such as the Bohr, Rutherford atomic model and so on

And also the depiction of models of certain compounds which include:

1. Ball and stick model is a model of molecules or compounds in 3-dimensional form.

Atoms are described in the form of spheres and their bonds in the form of sticks.

For double or triple-double bonds described in two or three curved stick shapes

Atoms can be distinguished from the color of the spheres

2. A space-filling molecular model describes molecules like a ball-and-stick model but without the stick

The model we use is not 100% the same as the real situation in the field, just as an illustration to hypothesize research

The model used can be an actual scale or can also be on a smaller scale, not possible on a larger scale

There are many models that we can't hold with our hands like moving models

So the right answer is

b. models are useful only if they can be used to explain or make predictions about something

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Keywords: scientific models, objects, processes, system