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V. ASSESSMENT (Time Frame: 30 mins.)
Write the letter of the correct answer.
1. What is the breaking of rocks into fragments
A. erosion
C. runoff
B. flooding
D. weathering
2. What do you call the process by which humans extract stones from the mountains for construction purposes?
A. digging
C. weathering
B. flattening
D. quarrying
3. What will happen to a rock when it is exposed to higher temperature?
A. contracts
C. expands
B. evaporates
D. sinks
4. How do animals breakdown rocks?
A. animals step on rocks
C. acid from dead animals weaken rocks
B. Use of their hooves and horns
D. all of the above
5. The roots of the plants cause mechanical weathering.
A. when they move from one place to another
B. when they grow so big that they reach the crack in the rock.
C. when they dry up and die in the rock
D. when they do not grow and stay in their place.​