Lab: Rates of Weathering Answers

In this experiment, temperature, acidity, volume, and surface areaacidity, mineral composition, time, and concentrationacidity, mineral composition, mass, and hardnesstemperature, acidity, mineral composition, and surface area were intentionally manipulated. These were the independent variables.

Which of the following did you include in your answer? Check all that apply.

Was there a measureable difference between the two treatments? yesnounable to determine

Was there a measureable difference among the three treatments? yesnounable to determine

Five of the six treatments in this experiment use a vinegar solution. Why is it important to use a water solution at the beginning of the experiment for Sample A instead of just starting with Sample B?

In history class, Juan learned about two sets of limestone carvings left in similar caves approximately 5000 years ago. Both caves are damp, but one cave has an average temperature of 45°C, while the other cave has an average temperature of 70°C. If everything else is equal, which set of stone carvings would be more weathered? Explain your answer.

Which did you include in your answer? Check all that apply.

If a sculptor wanted to build a monument that would last for centuries, which combination of materials would she want to use?