1.Direction: Read and analyze the statement carefully. Encircle the letter of the
correct answer.
1. Which of the following occurs when acidic water caused the rocks to break
producing clay and soluble salts?
A. Carbonation
B. Erosion
C. Hydrolysis
D.
Oxidation
2. The following human activities are causes of physical weathering, EXCEPT:
A Mining ores
C. Quarrying rocks
B. Boating and fishing
D. Building roads and tunnels
3. How does temperature weather rocks?
A. Rocks are at different temperature.
C. Rocks are heated greatly all the time
B. Rocks are cooled tremendously all the time. D. Rocks are heated and cooled
continuously
4. Plant serves as agents of weathering. Which of the following statements support
this idea?
A Falling of leaves causes rocks to break
B. Decaying trunks of plants cause the rocks to break.
C. Roots of plants that grow in rocks cause them to break.
D. Branches of plants cause the rocks to break when blown by the winds.
5. It is the breaking down of rocks into fragments.
A. Erosion
B. Flooding
C. Runoff
D. Weathering
6. A type of weathering that involves change in the composition of rocks.
A. chemical
B. mechanical
C. Both A and B
D. None of the
above
7. What do you call the process by which humans extract stones from the mountains
for construction purposes.
A. Digging
B. Flattering
C. Weathering
D. Quarrying
8. What will happen to a rock when it is exposed to higher temperature?
A. Contracts
B. Evaporates
C. Expands
D. Sinks
5. An open-pit mine where rocks can be extracted.
A Landfill
B. Open-field
C. Reservoir
D. Quarry
9. The cracking of rock is an example of
A. decomposition B. degeneration
C. desalination
D. disintegration
10. Which of the following agents of weathering causes disintegration?
B. Water
C. Wind
A Fire
D. Both B and C​