1. Water, people, animals wear away bits of rocks. What do you call this process?
a. Erosion b.weathering
c. mountain building
d. fermenting
2. Some animals like rabbits and moles dig up soil for shelter or to find food. How
these activities contribute to the breaking down of rocks?
a. The food that these animals bring underground causes the breaking of rocks
b. The digging or burrowing of animals breaks the rocks into small pieces
c. Small rocks that be exposed to sunlight.
d. Animals will enjoy staying in the dug holes and cause the rising of temperature
inside.
3. How does temperature breakdown rocks?
a. Rocks break when it is cooled.
b. Rocks break when it is heated.
c. Rocks break when it heated and then cooled.
d. Rocks break when it is not exposed to water.
4. How do roots of plant breakdown rocks?
a. They split the rocks apart.
b. They heat the rocks.
c. They leave materials on the rocks.
d. They absorbed rock particles
5. Which of the following activities of man contribute to the breakdown of rocks?
a. Fishing b. mining C. studying d. sky diving
II.
Enumeration.(6-10) Write down at least five agents of weathering.
6.
7.
8.
9.
10.​