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Answered

  1. Which of the following objects would require the use of a large-scale model?

A.An atom

B.A car engine

C.A frog's heart

D.The Mississippi River

  1. Scott stated the following series of observations. Which represents a theory?

A.I observed three stars in the sky.

B.The stars give off light.

C.Light travels at 300,000 kilometers per second.

D.Stars are balls of hot gases.

Verified Answer :

meerkat18
  1. An atom is an object that needs a large-scale model. A large-scale model must be bigger than the object itself.
    2. The correct answer among the choices provided is option C. It is a theory that light travels at 300,000 kilometers per second.
spreadershop

Answer to Question 1: Option A. An atom.

An atom is an element that requires a large-scale modeled in order to be contemplated by the human-eye, given its invisibly small size. A large-scale model must be larger than the real object it represents, and in this case, that requirement is met.

Answer to Question 2: Option C. Light travels at 300,000 kilometers per second.

By observing the stars in the sky, one can make themselves a description of their visual appearance, but when it comes to the behavior of these objects in a numerical fashion (the velocity at which the stars move, it is necessary to prove this statement in order to be considered a fact -- and that's the basis of theory-making.

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