Download Analysis Questions—Lab#15: Rates of Weathering

Lab#15: Rates of Weathering
I 20.1 Data Interpretation: Create two appropriate graphs using the
classroom data charts—one for temperature and one for surface area.
Analysis Questions—Lab#15: Rates of Weathering
1.
2.
3.
4.
5.
S 16.1 What is the independent variable in Part A? Part B?
S 16.1 What is the dependent variable in Part A? Part B?
S 20.3 What was controlled for in this experiment?
How does temperature affect the rate of chemical weathering?
Why does temperature affect the rate of chemical weathering? (Think
molecular)
6. How does breaking the object in many pieces affect the rate of chemical
weathering? Explain your answer.
7. E 20.1 Did your conclusion support your hypothesis? Why or why not? Use
your data to back up your statements
8. In what type of climate would chemical weathering have the greatest affect
on the land? Mechanical weathering?
9. What were some possible sources of errors for the experiment? If you were
to redo the experiment what would you change to make it more valid?
10. E 20.2 In this lab we used Alka-Seltzer tablets to simulate rocks in nature.
What, then do we have to consider when determining if our conclusion is
valid?