Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water. Which statement best describes the correct plan for her procedure? The density and the amount of water are controls, and the amount of salt and the type of salt are variables. The amount of water and the amount of salt are controls, and the type of salt and the density are variables. The type of salt and the amount of water are controls, and the amount of salt and the density are variables. The type of salt and the density of water are controls, and the amount of salt and the amount of water are variables.

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21-05-2017
Physics

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Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water. Which statement best describes the correct plan for her procedure? The density and the amount of water are controls, and the amount of salt and the type of salt are variables. The amount of water and the amount of salt are controls, and the type of salt and the density are variables. The type of salt and the amount of water are controls, and the amount of salt and the density are variables. The type of salt and the density of water are controls, and the amount of salt and the amount of water are variables.

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neagles neagles · Answer 1 · 2019-02-15T23:25:16+01:00

The correct answer would be the third option. The correct plan for the experiment would be that the type of salt and the amount of water are controls, and the amount of salt and the density are variables. Sheila wants to know the effect of varying the amount of salt to the density so it is the density and the amount of salt that is being changed while the type of salt and the water are kept constant since they are not being investigated.

sp10925 sp10925 · Answer 2 · 2022-08-03T10:30:37+02:00

The statement best describes the correct plan for her procedure is the type of salt and the amount of water are controls, and the amount of salt and the density are variables.

The correct answer would be the third option.

What is density?

The density is the ratio of the mass and the volume of the object. It is denoted by ρ.

ρ = mass/Volume = m/V

Given , Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water.

Sheila wants to observe the effect of varying the amount of salt to the vary density. So, the density and the amount of salt which is being changed keeping the type of salt and the water are kept constant, since they are not being investigated.

Thus, the correct option is third.

Learn more about density.

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