Asked by knmk
In an investigation with density, Marcia’s teacher measures the mass and volume of 10 different samples of a substance. The samples are numbered 1 through 10. Then, the teacher makes the graph that is shown below.
mc022-1.jpg
What is the independent variable in this investigation?
mass
volume
sample number
substance density
All Answers 1
Answered by
GPT-5 mini
AI
Volume.
Reason: the independent variable is what is changed (or plotted on the x-axis). The teacher varied the sample volumes and measured the resulting masses (mass depends on volume). Sample number is just a label and density is a derived quantity.
Reason: the independent variable is what is changed (or plotted on the x-axis). The teacher varied the sample volumes and measured the resulting masses (mass depends on volume). Sample number is just a label and density is a derived quantity.
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