Name_____________________Class___
Weathering Worksheet
___1. Frost occurs because
a. water expands when it freezes
b. water contracts when it freezes
c. water turns plagioclase into clay
d. water pushes rock to the surface
e. does all of the above
___2. Frost wedging would be most effective in
a. the permanently frozen areas of the Antarctica
b. areas where freezing and thawing occur many times a year
c. areas where the temperature stays below 0°C most of the year
d. areas beneath the glaciers in Antarctica and Greenland
e. tropical rain forests
___3 What gas dissolves in water to form carbonic acid?
a. Carbon tetrachloride
b. Carbon monoxide
c. Hydrochloric acid
d. Carbon dioxide
e. Molecular oxygen
___4. Which of the following changes takes place during the chemical weathering of
granite?
a. feldspar increases and clay decreases
b. feldspar decreases and clay increases
c. clay increases and feldspar increases
d. quartz increases and feldspar increases
e. clay decreases and quartz increases
___5. Which of the following minerals is the most resistant to chemical weathering?
a. feldspar b. quartz c. olivine d. hornblende e. calcite
___6. Which of the following common minerals weathers to form most of the clay in the
soil?
a. calcite b. mica c. quartz d. gypsum e. feldspar
___7. Chemical weathering results in rocks
a. becoming more angular
b. becoming more rounded
c. both of the above
___8. Which of the following is responsible for an exfoliation dome?
a. dissolution by water
b. hydrolysis of feldspar
c. oxidation of iron-containing minerals
d. expansion of rock from pressure release
e. none of the above
___9. Which of the following will weather quickly in a wet climate?
a. granite b. quartz c. limestone
10. What is the difference between weathering and erosion?