1. The breaking of rocks into fragments is called____________?
2. It is a physical weathering-away of rocks, where rocks are broken down into smaller pieces without changing their composition. What is it?
3. It is a change in the composition of rocks that allows them to break down into pieces due to reaction with water, carbon dioxide, oxygen , and organic acids. What is it?
4.__________ is the process which the wind carries with it pieces of sand and a small rocks which scratch other rocks.
5. Which of the following is NOT an agent of weathering?
a. water b. wind c. Temperature d. none of the above
6.__________ is the moving or carrying away of the soil from one place to another
7.Which of the following is an agent of chemical weathering that human's primarily need?
8. Which of the following agents of soil erosion can cause many sediments to be carried away due to its fast movement?
9. The top layer of the earth's surface made up of rocks, minerals and particles mixed with inorganic matter is called______________?
a. crust b. soil c. sediments d. rocks
10.____________ erosion can take place in any area where the soil is not compacted? a. water b. soil c. rocks d. wind
11. Does soil erosion affects both living and non-living things? a. Yes b. No c. Maybe d. None of the above