Lab: Rates of Weathering

Question 1

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

Revolt · Accepted Answer

✔ temperature, acidity, mineral composition, and surface area; were intentionally manipulated. These were the independent variables.: temperature, acidity, mineral composition, and surface area

Question 2

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

Revolt · Accepted Answer

✔ yes; yes

Question 3

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

Revolt · Accepted Answer

✔ yes; yes

Question 4

Which procedures were followed in this lab to decrease experimental error? Check all that apply.

Revolt · Accepted Answer

using three different temperatures instead of only two; using water as a baseline for comparison

Question 5

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

Revolt · Accepted Answer

one solid piece of granite to minimize surface area

Lab: Rates of Weathering Answers

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